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MS 020 - Winchester Repeating Arms Company Archives Collection

Overview

Abstract

Administrative Information

Detailed Description

World War I

World War II

Tom Hall Winchester Files

Winchester Subject Files

Miscellaneous Correspondence

Winchester History, Advertisements, Press Releases, and Books

Domestic Catalogs

Foreign Catalogs

Polishing Shop Record Books - Serial Number Application Ledgers

Various Winchester Historical Material

P-14 Enfield

Patents

Winchester Litigation Records

Manufacturing Techniques

Winchester Gun Museum Records

Bound Volumes

Photographs

Addition

Addition 2015

Oversize Materials

Inspection Sheets

Production Serial Number Ledgers



Contact us about this collection

MS 020 - Winchester Repeating Arms Company Archives Collection, 1857-1980 | McCracken Research Library

By Nathan Bender, Jacob Smith, Joshua Brown, Andrew Searle, Samantha L. Harper

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Collection Overview

Title: MS 020 - Winchester Repeating Arms Company Archives Collection, 1857-1980Add to your cart.

Primary Creator: Winchester Repeating Arms Company

Extent: 100.0 Boxes

Date Acquired: 01/01/1976

Abstract

The archives of the Winchester Repeating Arms Co. contain the original sales ledgers for firearms models (1866 – 1907), photographs of all Winchester firearms models, correspondence documenting the company's role in both World Wars, a large collection of domestic and foreign firearms catalogs, and several thousand engineering drawings. A portion of the collection contains the original patents for firearm technology purchased by Winchester.

Administrative Information

Repository: McCracken Research Library

Access Restrictions: McCracken Library staff may determine use restrictions dependent on the physical condition of manuscript materials. Restrictions may exist on reproduction, quotation or publication. Contact McCracken Research Library for more information.

Acquisition Source: Olin Corporation

Acquisition Method: Gift

Related Materials: Digitized Collection of Winchester Repeating Arms Company - MS 020 in Buffalo Bill Center of the West's Digital Collections For more information please see http://library.centerofthewest.org/cdm/search/collection/p17097coll30/order/identi/ad/asc

Related Publications:

Rare Books - "Winchester Goes to War!"

"Hunting for Profits" by Paul M. Doane, a Winchester-Western Press sales/marketing publication, HD9744 F552 D63 1967

Preferred Citation: Winchester Repeating Arms Company Archives Collection, MS 20, McCracken Research Library, Buffalo Bill Center of the West


Box and Folder Listing


Browse by Series:

[Series 1: World War I, 1914 - 1923],
[Series 2: World War II, 1932 - 1954],
[Series 3: Tom Hall Winchester Files, 1970-1979],
[Series 4: Winchester Subject Files, 1900 - 1980],
[Series 5: Miscellaneous Correspondence, 1876 - 1958],
[Series 6: Winchester History, Advertisements, Press Releases, and Books],
[Series 7: Domestic Catalogs, 1884 - 1999],
[Series 8: Foreign Catalogs, 1898 - 1959],
[Series 9: Polishing Shop Record Books - Serial Number Application Ledgers, 1877 - 1953, 1980],
[Series 10: Various Winchester Historical Material, 1907 - 1956],
[Series 11: P-14 Enfield, 1914 - 1918],
[Series 12: Patents, 1872 - 1949],
[Series 13: Winchester Litigation Records, 1871 - 1951],
[Series 14: Manufacturing Techniques],
[Series 15: Winchester Gun Museum Records],
[Series 16: Bound Volumes, 1919 - 1958],
[Series 17: Photographs],
[Series 18: Addition],
[Series 20: Addition 2015, 1950-2001, 2015],
[Series 21: Oversize Materials],
[Series 22: Inspection Sheets],
[Series 23: Production Serial Number Ledgers],
[All]

Series 12: Patents, 1872 - 1949Add to your cart.
The Winchester Repeating Arms Company original patents date from 1872 to 1949.  Included are patents for firearms, telescopes and sights, ammunition, manufacturing equipment, explosives, knife blades, ice and roller skates, laundry machines, and flashlights.  RESTRICTED: CURATORIAL PERMISSION REQUIRED FOR USE!
Box MS20.25Add to your cart.
Folder MS20.25.27: Winchester/ Western Trademark Definitions, 1947, 1956Add to your cart.
Sub-Series 1: Albee, GeorgeAdd to your cart.
Folder MS20.25.28: Albee, George: "Magazine Fire Arms" USP#354371, December 14, 1886Add to your cart.
Sub-Series 2: Bennett, Thomas G.Add to your cart.
Folder MS20.25.29: Bennett, T.G. - Patents - "Improvement In Magazine Firearms" USP# 188844, March 27, 1877Add to your cart.
Folder MS20.25.30: Bennett, T.G. - Patents -  "Improvement In Magazine Guns" USP# 209748, November 12, 1878Add to your cart.
Folder MS20.25.31: Bennett, T.G. - Patents - "Improvement in Chargers for Filling Gun Magazines" USP# 211691, January 28, 1879Add to your cart.
Folder MS20.25.32: Bennett, T.G. - Patents - "Improvement In Locks For Firearms" USP# 223797, January 27, 1880Add to your cart.
Folder MS20.25.33: Bennett, T.G. - Patents - "Magazine Fire Arms" USP# 343423, June 8, 1886Add to your cart.
Folder MS20.25.34: Bennett, T.G. - Patents - "Breech Loading Fire Arms" USP# 352292, November 9, 1886Add to your cart.
Folder MS20.25.35: Bennett, T.G. - Patents - "Magazine Fire Arms" USP# 386290, July 17, 1888Add to your cart.
Folder MS20.25.36: Bennett, T.G. - Patents - "Means For Separably Uniting Barrels to Stocks of Guns" USP# 487465, December 6, 1892Add to your cart.
Folder MS20.25.37: Bennett, T.G. - Patents - "Means For Separable United Gun Barrels to Stocks" USP# 487466, December 6, 1892Add to your cart.
Folder MS20.25.38: Bennett, T.G. - Patents - "Recoil Locking Bars For Bolt Guns" USP# 537598, April 16, 1895Add to your cart.
Folder MS20.25.39: Bennett, T.G. - Patents - "Magazine Guns" USP# 545766, September 3, 1895Add to your cart.
Folder MS20.25.40: Bennett, T.G. - Patents - "Recoil Locking Mechanism for Magazine Bolt Guns" USP# 549343, November 5, 1895Add to your cart.
Folder MS20.25.41: Bennett, T.G. - Patents - "Box Magazine Firearms" USP# 551572, December 17, 1895Add to your cart.
Folder MS20.25.42: Bennett, T.G. - Patents - "Fore-Stocks For Firearms" USP# 557947, April 7, 1896Add to your cart.
Folder MS20.25.43: Bennett, T.G. - Patents - "Safety Locking Devices For Magazine Firearms" USP# 564420, July 21, 1896Add to your cart.
Folder MS20.25.44: Bennett, T.G. - Patents - "Firearms" USP# 564421, July 21, 1896Add to your cart.
Folder MS20.25.45: Bennett, T.G. - Patents - "Lever Locking Mechanism For Lever Guns" USP# 588315, August 17, 1897Add to your cart.
Folder MS20.25.46: Bennett, T.G. - Patents - "Locking Means for Operating Levers of Firearms" USP# 589201, August 31, 1897Add to your cart.
Folder MS20.25.47: Bennett, T.G. - Patents - "Lever Locking Means For Firearms" USP# 589684, September 7, 1897Add to your cart.
Folder MS20.25.48: Bennett, T.G. - Patents - "Bolt Guns" USP# 632090, August 29, 1899Add to your cart.
Folder MS20.25.49: Bennett, T.G. - Patents - "Extractors For Firearms" USP# 747675, December 22, 1903Add to your cart.
Folder MS20.25.50: Bennett, T.G. - Patents - "Firearms" USP# 836554, November 20, 1906Add to your cart.
Folder MS20.25.51: Bennett, T.G. - Patents - "Methods of Apparatus for Detecting & Locating Crooks in Gun Barrels" USP# 1206502, November 28, 1916Add to your cart.
Folder MS20.25.52: Bennett, T.G. & Mason, William - "Magazine Firearms" USP# 599587, February 22, 1898Add to your cart.
Folder MS20.25.53: Bennett, T.G. & Mason, William - "Automatic Firearms" USP# 695784, March 18, 1902Add to your cart.
Folder MS20.25.54: Bennett, T.G. & Johnson, T.C. - "Semi Automatic Guns" USP# 710660, October 7, 1902Add to your cart.
Sub-Series 3: Bennett, WinchesterAdd to your cart.
Folder MS20.25.55: Bennett, Winchester - "Cartridge Deflectors For Top Ejection Guns" USP# 851643, April 30, 1907Add to your cart.
Folder MS20.25.56: Bennett, Winchester - "Take Down Firearms" USP# 961576, June 14, 1910Add to your cart.
Folder MS20.25.57: Bennett, Winchester - "Take Down Firearms" USP# 963680, July 5, 1910Add to your cart.
Folder MS20.25.58: Bennett, Winchester - "Tubular Magazine Firearms" USP# 964142, July 12, 1910Add to your cart.
Folder MS20.25.59: Bennett, Winchester - "Tubular Magazine Repeating Guns" USP# 993817, May 30, 1911Add to your cart.
Folder MS20.25.60: Bennett, Winchester - "Magazine Firearms" USP# 1037107, August 27, 1912Add to your cart.
Folder MS20.25.61: Bennett, Winchester - "Firearms" USP# 1068098, July 22, 1913Add to your cart.
Sub-Series 4: Blizard, CharlesAdd to your cart.
Folder MS20.25.62: Blizard, Charles - "Tubular Magazine Repeating Firearms" USP# 2129729, September 13, 1938Add to your cart.
Folder MS20.25.63: Blizard, Charles - "Safety Devices For The Firing Mechanisms Of Firearms" USP# 2225583, December 17, 1940Add to your cart.
Sub-Series 5: Boak, ThomasAdd to your cart.
Folder MS20.25.64: Boak, Thomas - "Composite Firearm Barrels" USP# 2137259, November 22, 1938Add to your cart.
Sub-Series 6: Brewer, HenryAdd to your cart.
Folder MS20.25.65: Brewer, Henry - "Insulated Grigs For Bayonet-Carrying Shoulder Arms" USP# 1253665, January 15, 1918Add to your cart.
Sub-Series 7: Browning, John M. and Browning, Matthew S.Add to your cart.
Folder MS20.25.66: Browning, John & Browning, M. - "Improvement In Breech Loading Firearms" USP# 220271, October 7, 1879Add to your cart.
Folder MS20.25.67: Browning, John & Browning, M. - "Magazine Firearms" USP# 306577, October 14, 1884Add to your cart.
Folder MS20.25.68: Browning, John & Browning, M. - "Magazine Guns" USP# 324296, August 11, 1885Add to your cart.
Folder MS20.25.69: Browning, John & Browning, M. - "Magazine Fire Arms" USP# 324297, August 11, 1885Add to your cart.
Box MS20.26Add to your cart.
Sub-Series 7: Browning, John M. and Browning, Matthew S.Add to your cart.
Folder MS20.26.01: "Magazine Firearms" USP# 336287, February 16, 1886Add to your cart.
Folder MS20.26.02: "Magazine Fire Arms" USP# 345881, July 20, 1886Add to your cart.
Folder MS20.26.03: "Magazine Fire Arms" USP# 345882, July 20, 1886Add to your cart.
Folder MS20.26.04: "Breech Loading Fire Arms" USP# 346021, July 20, 1886Add to your cart.
Folder MS20.26.05: "Magazine Fire Arms" USP# 356271, March 22, 1887Add to your cart.
Folder MS20.26.06: "Breech Loading Fire Arms" USP# 359917, March 22, 1887Add to your cart.
Folder MS20.26.07: "Magazine Fire Arms" USP# 367336, July 26, 1887Add to your cart.
Folder MS20.26.08: "Magazine Fire Arms" USP# 376576, January 17, 1888Add to your cart.
Folder MS20.26.09: "Magazine Fire Arms" USP# 409600, August 20, 1889Add to your cart.
Folder MS20.26.10: "Magazine Fire Arms" USP# 421663, February 18, 1890Add to your cart.
Folder MS20.26.11: "Magazine Fire Arms" USP# 428887, May 27, 1890Add to your cart.
Folder MS20.26.12: "Breech Loading Guns" USP# 436965, September 23, 1890Add to your cart.
Folder MS20.26.13: "Magazine Guns" USP# 441390, November 25, 1890Add to your cart.
Folder MS20.26.14: "Magazine Guns" USP# 465339, December 15, 1891Add to your cart.
Folder MS20.26.15: "Magazine Fire Arms" USP# 465340, December 15, 1891Add to your cart.
Folder MS20.26.16: "Breech Loading Firearms" USP# 486272, November 15, 1892Add to your cart.
Folder MS20.26.17: "Breech Loading Firearms" USP# 486273, November 15, 1892Add to your cart.
Folder MS20.26.18: "Magazine Guns" USP# 486274, November 15, 1892Add to your cart.
Folder MS20.26.19: "Magazine Firearms" USP# 487659, December 6, 1892Add to your cart.
Folder MS20.26.20: "Holders for Cartridge Packs" USP# 487660, December 6, 1892Add to your cart.
Folder MS20.26.21: "Magazine Firearms" USP# 492459, February 28, 1893Add to your cart.
Folder MS20.26.22: "Magazine Firearms" USP# 499005, June 6, 1893Add to your cart.
Folder MS20.26.23: "Magazine Catches For Magazine Firearms" USP# 499006, June 6, 1893Add to your cart.
Folder MS20.26.24: "Magazine Firearms" USP# 499007, June 6, 1893Add to your cart.
Folder MS20.26.25: "Breech Loading Firearms" USP# 511677, December 26, 1893Add to your cart.
Folder MS20.26.26: "Magazine Guns" USP# 524702, August 21, 1894Add to your cart.
Folder MS20.26.27: "Magazine Firearms" USP# 545671, September 3, 1895Add to your cart.
Folder MS20.26.28: "Box Magazine Bolt Guns" USP# 545672, September 3, 1895Add to your cart.
Folder MS20.26.29: "Cartridge Holding Packs for Magazine Guns" USP# 547986, October 15, 1895Add to your cart.
Folder MS20.26.30: "Box Magazine Firearms" USP# 549345, November 5, 1895Add to your cart.
Folder MS20.26.31: "Magazine Firearms" USP# 550778, December 3, 1895Add to your cart.
Folder MS20.26.32: "Magazine Firearms" USP# 552864, January 6, 1896Add to your cart.
Folder MS20.26.33: "Magazine Firearms" USP# 577281, February 16, 1897Add to your cart.
Folder MS20.26.34: "Box Magazine Firearms" USP# 599595, February 22, 1898Add to your cart.
Folder MS20.26.35: "Magazine Fire Arms" USP# 619132, February 7, 1899Add to your cart.
Folder MS20.26.36: "Bolt Guns" USP# 632094, August 29, 1899Add to your cart.
Sub-Series 8: Browning, Johnathan E.Add to your cart.
Folder MS20.26.37: Browning, Jonathan E. "Repeating Firearms" USP# 2196852, April 9, 1940Add to your cart.
Folder MS20.26.38: Browning, Jonathan E. "Receiver & Trigger Plate Assemblies for Firearms" USP# 2247011, June 24, 1941Add to your cart.
Folder MS20.26.39: Browning, Jonathan E. "Gas Operated Automatic Firearms" USP# 2211405, August 13, 1940Add to your cart.
Folder MS20.26.40: Browning, Jonathan E. "Gas Operated Automatic Firearms" USP# 2252754, August 19, 1941Add to your cart.
Folder MS20.26.41: Browning, Jonathan E. "Breech Bolt Checking Construction for Automatic Firearms" USP# 2301248, November 10, 1942Add to your cart.
Sub-Series 9: Burgess, AndrewAdd to your cart.
Folder MS20.26.42: "Improvements in Magazine Guns" USP# 8288, June 25, 1872Add to your cart.
Folder MS20.26.43: "Magazine Fire Arms" USP# 251694, January 3, 1882Add to your cart.
Folder MS20.26.44: "Magazine Fire Arms" USP# 289972, December 11, 1883Add to your cart.
Folder MS20.26.45: "Magazine Fire Arms" USP# 290393, December 18, 1883Add to your cart.
Folder MS20.26.46: "Magazine Fire Arms" USP# 290394, December 18, 1883Add to your cart.
Folder MS20.26.47: "Magazine Fire Arms" USP# 290968, December 25, 1883Add to your cart.
Folder MS20.26.48: "Magazine Fire Arms" USP# 290848, December 25, 1883Add to your cart.
Folder MS20.26.49: "Magazine Fire Arms" USP# 303262, August 12, 1884Add to your cart.
Folder MS20.26.50: "Magazine Fire Arms" USP# 10555, December 18, 1883Add to your cart.
Folder MS20.26.51: "Magazine Fire Arms" USP# 337239, March 2, 1886Add to your cart.
Folder MS20.26.52: "Magazine Guns" USP# 340479, April 20, 1886Add to your cart.
Folder MS20.26.53: "Magazine Fire Arms" USP# 357458, February 8, 1887Add to your cart.
Folder MS20.26.54: "Magazine Fire Arms" USP# 357460, February 8, 1887Add to your cart.
Folder MS20.26.55: "Magazine Fire Arms" USP# 357461, February 8, 1887Add to your cart.
Folder MS20.26.56: "Magazine Fire Arms" USP# 357462, February 8, 1887Add to your cart.
Folder MS20.26.57: "Magazine Fire Arms" USP# 357517, February 8, 1887Add to your cart.
Folder MS20.26.58: "Magazine Fire Arms" USP# 357518, February 8, 1887Add to your cart.
Folder MS20.26.59: "Magazine Fire Arms" USP# 357519, February 8, 1887Add to your cart.
Folder MS20.26.60: "Magazine Fire Arms" USP# 366558, July 12, 1887Add to your cart.
Folder MS20.26.61: "Magazine Fire Arms" USP# 366559, July 12, 1887Add to your cart.
Folder MS20.26.62: "Magazie Fire Arms" USP# 366560, July 12, 1887Add to your cart.
Folder MS20.26.63: "Magazine Fire Arms" USP# 366562, July 12, 1887Add to your cart.
Folder MS20.26.64: "Magazine Fire Arms" USP# 366563, July 12, 1887Add to your cart.
Folder MS20.26.65: "Magazine Fire Arms" USP# 366564, July 12, 1887Add to your cart.
Folder MS20.26.66: "Magazine Fire Arms" USP# 366565, July 12, 1887Add to your cart.
Folder MS20.26.67: "Magazine Fire Arms" USP# 373438, November 22, 1887Add to your cart.
Folder MS20.26.68: "Magazine Fire Arms" USP# 458333, August 25, 1891Add to your cart.
Folder MS20.26.69: "Magazine Fire Arms" USP# 463225, November 17, 1891Add to your cart.
Folder MS20.26.70: "Breech Loading Magazine Guns" USP# 476246, June 7, 1892Add to your cart.
Folder MS20.26.71: "Magazine Firearms" USP# 478220, July 5, 1892Add to your cart.
Folder MS20.26.72: "Magazine Firearms" USP# 478221, July 5, 1892Add to your cart.
Folder MS20.26.73: "Magazine Firearms" USP# 478222, July 5, 1892Add to your cart.
Folder MS20.26.74: "Detachably Securing Barrels to Stocks" USP# 517024, March 27, 1894Add to your cart.
Folder MS20.26.75: "Inertia Piece, Releasing Second Barrel by Recoil of First" USP# 520559, May 29, 1894Add to your cart.
Folder MS20.26.76: "Recoil Operated Firearms" USP# 520752, May 29, 1894Add to your cart.
Folder MS20.26.77: "Recoil Operated Magazine Firearm" USP# 520753, May 29, 1894Add to your cart.
Folder MS20.26.78: "Folding Guns" USP# 521202, June 12, 1894Add to your cart.
Folder MS20.26.79: "Folding Magazine Guns" USP# 524800, August 21, 1894Add to your cart.
Folder MS20.26.80: "Magazine Firearms" USP# 557358, March 31, 1896Add to your cart.
Folder MS20.26.81: "Automatic Magazine Firearms" USP# 557359, March 31, 1896Add to your cart.
Folder MS20.26.82: "Magazine Firearms" USP# 557360, March 31, 1896Add to your cart.
Folder MS20.26.83: "Magazine Firearms" USP# 589117, August 31, 1897Add to your cart.
Folder MS20.26.84: "Automatic Magazine Firearms" USP# 589118, August 31, 1897Add to your cart.
Folder MS20.26.85: "Automatic Guns" USP# 636196, October 31, 1899Add to your cart.
Sub-Series 10: Burton, Frank - PatentsAdd to your cart.
Folder MS20.26.86: "Firing Pin Locks For Firearms" USP# 862539, August 6, 1907Add to your cart.
Folder MS20.26.87: "Recoiling Barrel Guns" USP# 941006, November 23, 1909Add to your cart.
Folder MS20.26.88: "Sliding Operating Handles for Firearms" USP# 962889, June 28, 1910Add to your cart.
Folder MS20.26.89: "Shotguns" USP# 1028430, June 4, 1912Add to your cart.
Folder MS20.26.90: "Take-Down Firearms" USP# 1195777, August 22, 1916Add to your cart.
Folder MS20.26.91: "Combined Muzzle Flash Hiders and Bayonet Mounts for Firearms" USP# 1283465, November 5, 1918Add to your cart.
Folder MS20.26.92: "Bolt Action Guns" USP# 1322227, November 18, 1919Add to your cart.
Folder MS20.26.93: "Extractors for Breakdown Guns" USP# 1322287, November 18, 1919Add to your cart.
Folder MS20.26.94: "Bolt Action Guns" USP# 1324493, December 9, 1919Add to your cart.
Folder MS20.26.95: "Sling Swivels & Bands for Firearms" USP# 1366715, January 25, 1921Add to your cart.
Folder MS20.26.96: "Bolt Action Firearms" USP# 1631242, June 7, 1927Add to your cart.
Folder MS20.26.97: "Trigger Mechanisms for Firearms" USP# 1741281, December 31, 1929Add to your cart.
Folder MS20.26.98: "Barrel Stops for Breakdown Firearms" USP# 1785764, December 23, 1930Add to your cart.
Folder MS20.26.99: "Multiple Barrel Firearms" USP# 1785765, December 23, 1930Add to your cart.
Folder 20.26.100: "Adjustable Locking Mechanism for Breakdown Firearms" USP# 1797320, March 24, 1931Add to your cart.
Folder 20.26.101: "Locking Bolt Latches for Breakdown Firearms" USP# 1816312, July 28, 1931Add to your cart.
Folder 20.26.102: "Breakdown Firearms" USP# 1816313, July 28, 1931Add to your cart.
Folder 20.26.103: "Firearms For Rim-Fire Cartridges" USP# 1994565, March 19, 1935Add to your cart.
Folder 20.26.104: "Firearms" USP# 2037065, April 14, 1936Add to your cart.
Folder 20.26.105: "Safety Devices For Bolt Action Firearms" USP# 2043281, June 9, 1936Add to your cart.
Folder 20.26.106: "Cartridge Ejecting Mechanism for Firearms" USP# 2101236, December 7, 1937Add to your cart.
Folder 20.26.107: "Bolt Action Firearms" USP# 2103512, December 28, 1937Add to your cart.
Folder 20.26.108: "Bolt Action Firearm Construction" USP# 2242389, May 20, 1941Add to your cart.
Folder 20.26.109: "Tubular Magazine Firearms" USP# 2263918, November 25, 1941Add to your cart.
Folder 20.26.110: "Firing Mechanism for Firearms" USP# 2267078, December 23, 1941Add to your cart.
Folder 20.26.111: "Cartridge Detent Mechanism For Repeating Firearms" USP# 2270408, January 20, 1942Add to your cart.
Folder 20.26.112: "Bolt Action Firearm Construction" USP# 2337150, December 21, 1943Add to your cart.
Folder 20.26.113: Burton, Frank & Thomas Joeck - "Air Guns" USP# 1396404, November 8, 1921Add to your cart.
Folder 20.26.114: Burton, Frank & William Roemer - "Firearm Receivers" USP# 1969255, August 7, 1934Add to your cart.
Folder 20.26.115: Burton, Frank & Harry Crockett - "Firearms" USP# 1994564, March 19, 1935Add to your cart.
Folder 20.26.116: Burton, Frank & Arthur Rowley - "Tubular Magazine Repeating Firearms" USP# 2096028, October 19, 1937Add to your cart.
Folder 20.26.117: Freeman, Austin - "Improvement in Magazine Firearms" USP# 147555, February 17, 1874Add to your cart.
Folder 20.26.118: Griffith, Charles - USP# 681021, August 20, 1901Add to your cart.
Folder 20.26.119: Griffith, Charles - "Breech Loading Cannon" USP# 713874, November 18, 1902Add to your cart.
Folder 20.26.120: Gillette, Hiram B. - "Supplemental Barrel for Guns" USP# 631399, August 22, 1899Add to your cart.
Folder 20.26.121: Hanson, August - "Stocks for Firearms" USP# 626905, June 13, 1899Add to your cart.
Folder 20.26.122: Horan, Timothy - "Tubular Magazine Repeating Firearms" USP# 2350555, June 6, 1944Add to your cart.
Folder 20.26.123: Hotchkiss, Benjamin - "Improvement in Magazine Firearms" USP# 184285, November 14, 1876Add to your cart.
Box MS20.27Add to your cart.
Folder MS20.27.01: Humeston, Frederick - "Box Magazine For Firearms" USP# 2265170, December 9, 1941Add to your cart.
Folder MS20.27.02: Humeston, Frederick - "Repeating Firearms" USP# 2308283, January 12, 1943Add to your cart.
Folder MS20.27.03: Humeston, Frederick - "Gas Operated Actuating Mechanism for Firearms" USP# 2340962, February 8, 1944Add to your cart.
Folder MS20.27.04: Humeston, Frederick - "Cartridge Deflecting Means for Self-Loading Repeating Fire Arms" USP# 2350460, June 6, 1944Add to your cart.
Folder MS20.27.05: Humeston, Frederick - "Breech Closing Means for Self Loading Firearms" USP# 2373761, April 17, 1945Add to your cart.
Sub-Series 1: Johnson, Thomas C. - PatentsAdd to your cart.
Folder MS20.27.06: "Temporary Cartridge Holders" USP# 571973, November 24, 1896Add to your cart.
Folder MS20.27.07: "Temporary Cartridge Holders" USP# 572361, December 1, 1896Add to your cart.
Folder MS20.27.08: "Design For A Temporary Cartridge Holder" USP# 26386, December 8, 1896Add to your cart.
Folder MS20.27.09: "Temporary Cartridge Holders" USP# 575650, January 19, 1897Add to your cart.
Folder MS20.27.10: "Desing For A Temporary Cartridge Clip" USP# 26675, February 23, 1897Add to your cart.
Folder MS20.27.11: "Temporary Cartridge Holders" USP# 578931, March 16, 1897Add to your cart.
Folder MS20.27.12: "Temporary Cartridge Holders" USP# 580176, April 6, 1897Add to your cart.
Folder MS20.27.13: "Temporary Cartridge Holding Clips" USP# 587584, August 3, 1897Add to your cart.
Folder MS20.27.14: "Temporary Cartridge Clips" USP# 587970, August 10, 1897Add to your cart.
Folder MS20.27.15: "Design For A Cartridge Packet Or Holder" USP# 27657, September 21, 1897Add to your cart.
Folder MS20.27.16: "Safety Locking Devices For Lever Guns" USP# 579436, March 23, 1897Add to your cart.
Folder MS20.27.17: "Box Magazine Firearms" USP# 597908, January 25, 1898Add to your cart.
Folder MS20.27.18: "Cartridge Packets" USP# 600366, March 8, 1898Add to your cart.
Folder MS20.27.19: "Safety Devices For Bolt Guns" USP# 606972, July 5, 1898Add to your cart.
Folder MS20.27.20: "Box Magazine Lever Guns" USP# 609678, August 23, 1898Add to your cart.
Folder MS20.27.21: "Cartridge Holding Clips" USP# 626068, May 30, 1899Add to your cart.
Folder MS20.27.22: "Ejectors For Breech Loading Firearms" USP# 659928, October 16, 1900Add to your cart.
Folder MS20.27.23: "Temporary Cartridge Clips" USP# 660377, October 23, 1900Add to your cart.
Folder MS20.27.24: "Automatic Firearms" USP# 681481, August 27, 1901Add to your cart.
Folder MS20.27.25: "Automatic Firearms" USP# 694157, February 25, 1902Add to your cart.
Folder MS20.27.26: "Take Down Screws" USP# 694156, February 25, 1902Add to your cart.
Folder MS20.27.27: "Detachable Magazine" USP# 35425, December 10, 1901Add to your cart.
Folder MS20.27.28: "Tubular Magazine Guns" USP# 719807, February 3, 1903Add to your cart.
Folder MS20.27.29: "Gas Operated Firearms" USP# 720698, February 17, 1903Add to your cart.
Folder MS20.27.30: "Two Tube Gravity Charger For Magazine Guns" USP# 719808, February 3, 1903Add to your cart.
Folder MS20.27.31: "Firearms" USP# 837072, November 6, 1906Add to your cart.
Folder MS20.27.32: "Firearms" USP# 839389, December 25, 1906Add to your cart.
Folder MS20.27.33: "Cartridge Stops for Tubular Magazine Guns" USP# 839390, December 25, 1906Add to your cart.
Folder MS20.27.34: "Box Magazine Firearms" USP# 840850, January 8, 1907Add to your cart.
Folder MS20.27.35: "Cartridge Deflectors for Top Ejection Guns" USP# 851669, April 7, 1907Add to your cart.
Folder MS20.27.36: "Take Down Guns" USP# 855181, May 28, 1907Add to your cart.
Folder MS20.27.37: "Firearms" USP# 933253, September 7, 1909Add to your cart.
Folder MS20.27.38: "Firearms" USP# 933308, September 7, 1909Add to your cart.
Folder MS20.27.39: "Firearms" USP# 943251, December 14, 1909Add to your cart.
Folder MS20.27.40: "Recoiling Barrel Firearms" USP# 945328, January 4, 1910Add to your cart.
Folder MS20.27.41: "Recoiling Barrel Guns" USP# 946134, January 11, 1910Add to your cart.
Folder MS20.27.42: "Repeating Firearms" USP# 958407, May 17, 1910Add to your cart.
Folder MS20.27.43: "Firearms" USP# 959016, May 24, 1910Add to your cart.
Folder MS20.27.44: "Firearms" USP# 959942, May 31, 1910Add to your cart.
Folder MS20.27.45: "Repeating Firearms" USP# 960646, June 10, 1910Add to your cart.
Folder MS20.27.46: "Tubular Magazine Guns" USP# 961412, June 14, 1910Add to your cart.
Folder MS20.27.47: "Firearms" USP# 962764, June 28, 1910Add to your cart.
Folder MS20.27.48: "Take Down Guns" USP# 962899, June 28, 1910Add to your cart.
Folder MS20.27.49: "Firearms" USP# 963444, July 5, 1910Add to your cart.
Folder MS20.27.50: "Take Down Guns" USP# 964974, July 19, 1910Add to your cart.
Folder MS20.27.51: "Double Barreled Shotguns" USP# 995790, June 20, 1911Add to your cart.
Folder MS20.27.52: "Magazine Firearms" USP# 1033408, July 23, 1912Add to your cart.
Folder MS20.27.53: "Wooden Fore Arms for Automatic Firearms" USP# 1037486, September 3, 1912Add to your cart.
Folder MS20.27.54: "Butt Stocks For Shoulder Arms" USP# 1025529, May 7, 1912Add to your cart.
Folder MS20.27.55: "Shotguns" USP# 1028358, June 4, 1912Add to your cart.
Folder MS20.27.56: "Tubular Magazine Firearms" USP# 1068060, July 22, 1913Add to your cart.
Folder MS20.27.57: "Gun Barrels" USP# 1102667, July 7, 1914Add to your cart.
Folder MS20.27.58: "Bayonet Band Locks for Military Rifles" USP# 1121589, December 15, 1914Add to your cart.
Folder MS20.27.59: "Shoulder Firearms" USP# 1122125, December 22, 1914Add to your cart.
Folder MS20.27.60: "Bayonet Band Locks for Military Rifles" USP# 1125024, January 12, 1915Add to your cart.
Folder MS20.27.61: "Firearms" USP# 1146502, July 13, 1915Add to your cart.
Folder MS20.27.62: "Firearms" USP# 1146503, July 13, 1915Add to your cart.
Folder MS20.27.63: "Cartridge Loading Clips" USP# 1161688, November 23, 1915Add to your cart.
Folder MS20.27.64: "Firearms" USP# 1163156, December 7, 1915Add to your cart.
Folder MS20.27.65: "Military Shoulder Arms" USP# 1165976, December 28, 1915Add to your cart.
Folder MS20.27.66: "Military Shoulder Arms" USP# 1166910, January 4, 1916Add to your cart.
Folder MS20.27.67: "Military Shoulder Arms" USP# 1169543, January 25, 1916Add to your cart.
Folder MS20.27.68: "Military Shoulder Arms" USP# 1172714, February 22, 1916Add to your cart.
Folder MS20.27.69: "Military Shoulder Arms" USP# 1173582, February 29, 1916Add to your cart.
Folder MS20.27.70: "Firearms" USP# 1191515, July 18, 1916Add to your cart.
Folder MS20.27.71: "Military Shoulder Arms" USP# 1192528, July 25, 1916Add to your cart.
Folder MS20.27.72: "Firearms" USP# 1193268, August 1, 1916Add to your cart.
Folder MS20.27.73: "Firearms" USP# 1194024, August 16, 1916Add to your cart.
Folder MS20.27.74: "Bolt Action Guns" USP# 1331154, February 17, 1920Add to your cart.
Folder MS20.27.75: "Military Shoulder Arms" USP# 1194504, August 15, 1916Add to your cart.
Folder MS20.27.76: "Firearms" USP# 1212773, January 16, 1917Add to your cart.
Folder MS20.27.77: "Trigger Mechanism For Shoulder Arms" USP# 1213204, January 23, 1917Add to your cart.
Folder MS20.27.78: "Combined Box Magazine & Finger Guards for Bolt Action Firearms" USP# 1214923, February 6, 1917Add to your cart.
Folder MS20.27.79: "Bolt Action Shoulder Arms" USP# 1218263, March 6, 1917Add to your cart.
Folder MS20.27.80: "Rear Sights for Bolt Action Shoulder Arms" USP# 1220637, March 27, 1917Add to your cart.
Folder MS20.27.81: "Trigger Mechanisms for Firearms" USP# 1297859, March 18, 1919Add to your cart.
Folder MS20.27.82: "Locking Mechanism for Firearms" USP# 1299189, April 1, 1919Add to your cart.
Folder MS20.27.83: "Bolt Action Guns" USP# 1322242, November 18, 1919Add to your cart.
Folder MS20.27.84: "Box Magazines" USP# 1323063, November 25, 1919Add to your cart.
Folder MS20.27.85: "Box Magazine Bolt Action Rifles" USP# 1323064, November 25, 1919Add to your cart.
Folder MS20.27.86: "Shoulder Arms" USP# 1323065, November 25, 1919Add to your cart.
Folder MS20.27.87: "Box Magazine for Firearms" USP# 1331155, February 17, 1920Add to your cart.
Folder MS20.27.88: "Bolt Guns" USP# 1335440, March 30, 1920Add to your cart.
Folder MS20.27.89: "Bolt Action Firearms" USP# 1349675, August 17, 1920Add to your cart.
Folder MS20.27.90: "Bolt Action Firearms" USP# 1566877, December 22, 1925Add to your cart.
Folder MS20.27.91: "One Piece Stock Takedown Firearms" USP# 1370118, March 1, 1921Add to your cart.
Folder MS20.27.92: Johnson, T.C. & Charles Blizard - "Breakdown Shotguns" USP# 1314196, August 26, 1919Add to your cart.
Folder MS20.27.93: Johnson, T.C. & Henry Brewer - "Cartridge Packets" USP# 600367, March 8, 1898Add to your cart.
Folder MS20.27.94: Johnson, T.C. & Frank Burton - "Devices for Loading Box Magazines" USP# 1295038, February 18, 1919Add to your cart.
Folder MS20.27.95: Johnson, T.C. & Frank Burton - "Portable Devices for Loading Box Magazines from Cartons" USP# 1295039, February 18, 1919Add to your cart.
Folder MS20.27.96: Klipskh, Paul - "Stock & Barrel Assemblies for Firearms" USP# 2205982, June 25, 1940Add to your cart.
Folder MS20.27.97: Knous, Franklin - "Take Down Guns" USP# 964167, July 12, 1910Add to your cart.
Folder MS20.27.98: Knous, Franklin - "Magazine Firearms" USP# 1034122, July 30, 1912Add to your cart.
Folder MS20.27.99: Knous, Franklin - "Repeating Firearms" USP# 998347, July 18, 1911Add to your cart.
Folder 20.27.100: Knous, Franklin - "Automatic Firearms" USP# 933254, September 7, 1909Add to your cart.
Folder 20.27.101: Laudensack, Albert - "Charging Devices for Tubular Magazine Guns" USP# 910397, January 19, 1909Add to your cart.
Folder 20.27.102: Laudensack, Albert - "Manually Operated Bolt Action Firearms" USP# 1898670, February 21, 1933Add to your cart.
Folder 20.27.103: Laudensack, Albert - "Sear Mechanism for Firearms" USP# 2069887, February 9, 1937Add to your cart.
Folder 20.27.104: Laudensack, Albert - "Stock Attaching Devices For Firearms" USP# 2155498, April 25, 1939Add to your cart.
Folder 20.27.105: Lee, James Paris - "Gun Magazine" USP# 627824, June 27, 1899Add to your cart.
Folder 20.27.106: Lewis, George - "Shotgun Barrels" USP# 2054132, September 15, 1936Add to your cart.
Folder 20.27.107: Lewis, George - "Breakdown Firearms" USP# 2088173, July 27, 1937Add to your cart.
Folder 20.27.108: Lewis, George - "Extractor Mechanism for Breakdown Firearms" USP# 2108130, February 15, 1937Add to your cart.
Folder 20.27.109: Lewis, George - "Safety Devices for Firearms" USP# 2125933, August 9, 1938Add to your cart.
Folder 20.27.110: Lewis, George - "Firearms" USP# 2126788, August 16, 1938Add to your cart.
Folder 20.27.111: Lewis, George - "Breakdown Firearms" USP# 2154517, April 18, 1939Add to your cart.
Folder 20.27.112: Lockhead, John - "Inertia Operating Members for Automatic Firearms" USP# 2466902, April 12, 1949Add to your cart.
Folder 20.27.113: Marchand, Joseph - "Firearm Construction" USP# 2205857, June 25, 1940Add to your cart.
Folder 20.27.114: Maple, Warren & Otto F. Turner - "Automatic Cartridge Registers" USP# 982618, January 11, 1911Add to your cart.
Folder 20.27.115: Mason, William - "Magazine Firearms" USP# 278987, June 5, 1883Add to your cart.
Folder 20.27.116: Mason, William - "Magazine Fire Arms" USP# 285284, September 18, 1883Add to your cart.
Folder 20.27.117: Mason, William - "Magazine Fire Arms" USP# 289676, December 4, 1883Add to your cart.
Folder 20.27.118: Mason, William - "Magazine Fire Arms" USP# 295031, March 11, 1884Add to your cart.
Folder 20.27.119: Mason, William - "Magazine Guns" USP# 302148, July 15, 1884Add to your cart.
Folder 20.27.120: Mason, William - "Magazine Firearms" USP# 305093, September 16, 1884Add to your cart.
Folder 20.27.121: Mason, William - "Magazine Fire Arms" USP# 306630, October 14, 1884Add to your cart.
Folder 20.27.122: Taft, E.W. - Miscellaneous Correspondence, 1950 - 1952Add to your cart.
Box MS20.28Add to your cart.
Sub-Series 1: Mason, William - PatentsAdd to your cart.
Folder MS20.28.01: "Magazine Fire Arms" USP# 311079, January 20, 1885Add to your cart.
Folder MS20.28.02: "Magazine Fire Arms" USP# 312139, February 10, 1885Add to your cart.
Folder MS20.28.03: "Magazine Fire Arms" USP# 343470, June 8, 1886Add to your cart.
Folder MS20.28.04: "Magazine Fire Arms" USP# 354327, December 14, 1886Add to your cart.
Folder MS20.28.05: "Magazine Fire Arms" USP# 354328, December 14, 1886Add to your cart.
Folder MS20.28.06: "Magazine Fire Arms" USP# 354329, December 14, 1886Add to your cart.
Folder MS20.28.07: "Magazine Fire Arms" USP# 354427, December 14, 1886Add to your cart.
Folder MS20.28.08: "Magazine Fire Arms" USP# 373298, November 15, 1887Add to your cart.
Folder MS20.28.09: "Magazine Fire Arms" USP# 454582, June 23, 1891Add to your cart.
Folder MS20.28.10: "Means for Separably Attaching Gun Barrels to Stock" USP# 487486, December 6, 1892Add to your cart.
Folder MS20.28.11: "Means for Separably Attaching Gun Barrels to Stock" USP# 487487, December 6, 1892Add to your cart.
Folder MS20.28.12: "Means for Separably Attaching Gun Barrels to Stock" USP# 487488, December 6, 1892Add to your cart.
Folder MS20.28.13: "Means for Separably Attaching Gun Barrels to Stock" USP# 487489, December 6, 1892Add to your cart.
Folder MS20.28.14: "Means for Attaching Magazine to Firearm" USP# 487677, December 6, 1892Add to your cart.
Folder MS20.28.15: "Means for Separably Attaching Gun Barrels to Stock" USP# 498983, June 6, 1893Add to your cart.
Folder MS20.28.16: "Means for Separably Attaching Gun Barrels to Stock" USP# 499464, June 13, 1893Add to your cart.
Folder MS20.28.17: "Breech Loading Guns" USP# 511632, December 26, 1893Add to your cart.
Folder MS20.28.18: "Breech Loading Firearms" USP# 511633, December 26, 1893Add to your cart.
Folder MS20.28.19: "Breech Loading Firearms" USP# 513808, January 30, 1894Add to your cart.
Folder MS20.28.20: "Gas Operated Guns" USP# 525151, August 28, 1894Add to your cart.
Folder MS20.28.21: "Magazine Firearms" USP# 539528, May 21, 1895Add to your cart.
Folder MS20.28.22: "Box Magazine Bolt Guns" USP# 545708, September 3, 1895Add to your cart.
Folder MS20.28.23: "Box Magazine and Carriers for Magazine Guns" USP# 548003, October 15, 1895Add to your cart.
Folder MS20.28.24: "Magazine Firearms" USP# 548715, October 29, 1895Add to your cart.
Folder MS20.28.25: "Magazine Firearms" USP# 549734, November 12, 1895Add to your cart.
Folder MS20.28.26: "Magazine Firearms" USP# 551393, December 17, 1895Add to your cart.
Folder MS20.28.27: "Box Magazine Firearms" USP# 551592, December 17, 1895Add to your cart.
Folder MS20.28.28: "Locking Means for Operating Handles of Breech Loading Guns" USP# 564440, July 21, 1896Add to your cart.
Folder MS20.28.29: "Safety Stops for Operating Bars of Breech Loading Firearms" USP# 564441, July 21, 1896Add to your cart.
Folder MS20.28.30: "Detachably Uniting Gun Barrels With Stocks" USP# 565766, August 11, 1896Add to your cart.
Folder MS20.28.31: "Safety Devices for Action Bars of Bolt Guns" USP# 565767, August 11, 1896Add to your cart.
Folder MS20.28.32: "Breech Loading Firearms" USP# 511631, December 26, 1893Add to your cart.
Folder MS20.28.33: "Take Down Guns" USP# 616719, December 27, 1898Add to your cart.
Folder MS20.28.34: "Magazine Guns" USP# 685216, October 22, 1901Add to your cart.
Folder MS20.28.35: "Tubular Magazine Automatic Guns" USP# 874856, December 24, 1907Add to your cart.
Folder MS20.28.36: "Safety Locking Devices Released by Recoil" USP# 585392, June 29, 1897Add to your cart.
Folder MS20.28.37: "Limiting & Retaining Devices for Operating Bars of Breech Loaders" USP# 586856, July 20, 1897Add to your cart.
Folder MS20.28.38: "Detachably Uniting Barrels to Stocks" USP# 605111, June 7, 1898Add to your cart.
Folder MS20.28.39: "Takedown Guns" USP# 605734, June 14, 1898Add to your cart.
Folder MS20.28.40: "Means for Detachably Uniting Barrels to Stocks" USP# 610765, September 13, 1898Add to your cart.
Folder MS20.28.41: "Magazine Firearms" USP# 614482, November 22, 1898Add to your cart.
Folder MS20.28.42: "Automatic Firearms" USP# 854707, May 21, 1907Add to your cart.
Folder MS20.28.43: "Automatic Firearms" USP# 846591, March 12, 1907Add to your cart.
Folder MS20.28.44: "Gas Operated Guns" USP# 877657, January 28, 1908Add to your cart.
Folder MS20.28.45: "Gas Operated Guns" USP# 885166, April 21, 1908Add to your cart.
Folder MS20.28.46: Moses, Edwin - "Magazine Firearms" USP# 307407, October 28, 1884Add to your cart.
Folder MS20.28.47: Otterson, John - "Bayonet Mounts for Shoulder Arms" USP# 1260021, March 19, 1918Add to your cart.
Folder MS20.28.48: Page, Lovell - "Firearm Construction" USP# 2241825, May 13, 1941Add to your cart.
Folder MS20.28.49: Perkins, William & T.C. Johnson - "Slides & Hooks for Sling Straps of Firearms" USP# 575164, January 12, 1897Add to your cart.
Folder MS20.28.50: Pope, Harry - "Breech Loading Firearms" USP# 384277, June 12, 1888Add to your cart.
Folder MS20.28.51: Pugsley, Edwin - "Testing Apparatus" USP# 2042188, May 26, 1936Add to your cart.
Folder MS20.28.52: Pugsley, Edwin - "Bolt Guns" USP# 1316803, September 23, 1919Add to your cart.
Folder MS20.28.53: Pugsley, Edwin - "Take Down Firearms" USP# 2100410, November 30, 1937Add to your cart.
Folder MS20.28.54: Pugsley, Edwin - "Try Gun Outfits" USP# 2121982, June 28, 1938Add to your cart.
Folder MS20.28.55: Pugsley, Edwin - "Firearm Frames & Methods of Making Same" USP# 2137808, November 22, 1938Add to your cart.
Folder MS20.28.56: Pugsley, Edwin - "Firearms" USP# 2158148, May 16, 1939Add to your cart.
Folder MS20.28.57: Puglsey, Edwin - "Firearms" USP# 2158149, May 16, 1939Add to your cart.
Folder MS20.28.58: Pugsley, Edwin & Frederick Humeston - "Firearms with Sling Straps" USP# 2335357, November 30, 1943Add to your cart.
Folder MS20.28.59: Pugsley, Edwin - "A Double Barrel Firearm" USP# 108985, March 22, 1938Add to your cart.
Folder MS20.28.60: Puglsey, Edwin - "A Firearm" USP# 117638, November 14, 1939Add to your cart.
Folder MS20.28.61: Randall, Jason - "Magazine Firearms" USP# 343492, June 8, 1886Add to your cart.
Folder MS20.28.62: Robinson, Orill - "Improvement in Breech Loading Firearms" USP# 125988, April 23, 1872Add to your cart.
Sub-Series 2: Roemer, William - PatentsAdd to your cart.
Folder MS20.28.63: "Slide-Action Firearms" USP# 1912403, June 6, 1933Add to your cart.
Folder MS20.28.64: "Breakdown Firearms" USP# 2125956, August 9, 1938Add to your cart.
Folder MS20.28.65: "Slide Action Firearms" USP# 2126816, August 16, 1938Add to your cart.
Folder MS20.28.66: "Methods for Producing Firearm Frames" USP# 2143923, January 17, 1939Add to your cart.
Folder MS20.28.67: "Braking Devices for Automatic Firearms" USP# 2229390, January 21, 1941Add to your cart.
Folder MS20.28.68: "Trigger Mechanism for Firearms" USP# 2277561, March 24, 1942Add to your cart.
Folder MS20.28.69: "Trigger Mechanism for Firearms" USP# 2286932, June 16, 1942Add to your cart.
Folder MS20.28.70: "Magazine Latches for Firearms" USP# 2305033, December 15, 1942Add to your cart.
Folder MS20.28.71: "Trigger Mechanism for Firearms" USP# 2321044, June 8, 1942Add to your cart.
Folder MS20.28.72: "Automatic Bolt Stops for Repeating Firearms" USP# 2321045, June 8, 1943Add to your cart.
Folder MS20.28.73: "Breakdown Firearms" USP# 2333043, October 26, 1943Add to your cart.
Folder MS20.28.74: "Self-Loading Firearms" USP# 2333677, November 9, 1943Add to your cart.
Folder MS20.28.75: "Front Band Construction for Firearms" USP# 2368160, January 30, 1945Add to your cart.
Folder MS20.28.76: "Self-Loading Firearms" USP# 2372339, March 27, 1945Add to your cart.
Folder MS20.28.77: "Automatic Sears for Automatic & Semi Automatic Firearms" USP# 2469053, May 3, 1949Add to your cart.
Folder MS20.28.78: "Control Devices for Automatic & Semi Automatic Firearms" USP# 2471779, May 31, 1949Add to your cart.
Folder MS20.28.79: "Receiver & Trigger Plate Assemblies for Firearms" USP# 2302059, November 17, 1942Add to your cart.
Folder MS20.28.80: "Safety Mechanism for Firearms" USP# 2490474, December 6, 1949Add to your cart.
Folder MS20.28.81: Rosenstiel, Ralph - "Shotguns" USP# 1858560, May 17, 1932Add to your cart.
Folder MS20.28.82: Rowley, Arthur - "Takedown Firearms" USP# 1996124, April 2, 1935Add to your cart.
Folder MS20.28.83: Rowley, Arthur - "Upturn & Pullback Bolt Action Firearms" USP# 2099035, November 16, 1937Add to your cart.
Folder MS20.28.84: Rowley, Arthur - "Extractor & Ejector Assemblies for Firearms" USP# 2350477, June 6, 1944Add to your cart.
Folder MS20.28.85: Sefried, Harry - "Supports for Rifles & Other Shoulder Arms" USP# 2420267, May 6, 1947Add to your cart.
Folder MS20.28.86: Sefried, Harry - "Fire Control Mechanism for Automatic & Semi Automatic Fire Arms" USP# 2464418, March 15, 1949Add to your cart.
Folder MS20.28.87: Sefried, Harry - "Gas Operated Self-Loading Firearms" USP# 2482880, September 27, 1949Add to your cart.
Folder MS20.28.88: Sefried, Harry - "Action Locking Means for Self-Loading Firearms" USP# 2491218, December 13, 1949Add to your cart.
Folder MS20.28.89: Sefried, Harry - "Box Magazine Latch Mechanism for Repeating Firearms" USP# 2386722, October 9, 1945Add to your cart.
Folder MS20.28.90: Sefried, Harry - "Semi Automatic Firearms Convertible to Full Automatic" USP# 2479419, August 16, 1949Add to your cart.
Folder MS20.28.91: Stetson, George - "Breech Loading Firearm" USP# 116642 (Official Copy from 1915), July 4, 1871Add to your cart.
Folder MS20.28.92: Stienman, Louis - "Double Barreled Firearm" USP# 1785794, December 23, 1930Add to your cart.
Folder MS20.28.93: Stienman, Louis - "Trigger Mechanism for Firearms" USP# 1830212, November 3, 1931Add to your cart.
Folder MS20.28.94: Stienman, Louis - "Selective Trigger Mechanism for Firearms" USP# 1830213, November 3, 1931Add to your cart.
Folder MS20.28.95: Stienman, Louis - "Single Trigger Mechanism for Multiple Barrel Firearms" USP# 1890005, December 6, 1932Add to your cart.
Folder MS20.28.96: Stienman, Louis - "Adjustable Pull Trigger Mechanisms for Firearms" USP# 1998596, April 23, 1935Add to your cart.
Folder MS20.28.97: Stienman, Louis - "Firearms" USP# 2095296, October 12, 1937Add to your cart.
Folder MS20.28.98: Stienman, Louis - "Locking Mechanism for Breakdown Firearms" USP# 2095297, October 12, 1937Add to your cart.
Folder MS20.28.99: Stienman, Louis - "Multiple Barrel Firearms" USP# 2106416, January 25, 1938Add to your cart.
Folder 20.28.100: Stoker, Albert - "Safety Triggers for Breech Loading Guns" USP# 467524, January 26, 1892Add to your cart.
Folder 20.28.101: Swebiliius, Carl - "Firearms" USP# 1852440, April 5, 1932Add to your cart.
Folder 20.28.102: Swebiliius, Carl - "Firearms" USP# 1928871, October 3, 1933Add to your cart.
Folder 20.28.103: Swebiliius, Carl - "Pump Action Firearms" USP# 2155512, April 25, 1939Add to your cart.
Folder 20.28.104: Swebiliius, Carl - USP# 2203035, June 4, 1940Add to your cart.
Folder 20.28.105: Swebiliius, Carl - "Bolt Action Firearms" USP# 2214071, September 10, 1940Add to your cart.
Folder 20.28.106: Swebiliius, Carl - "Takedown Firearms" USP# 2279931, April 14, 1942Add to your cart.
Folder 20.28.107: Swebiliius, Carl - "Tubular Magazine Automatic Firearms" USP# 2282903, May 12, 1942Add to your cart.
Folder 20.28.108: Swebiliius, Carl - "Bolt Action Firearms" USP# 2290778, July 21, 1942Add to your cart.
Folder 20.28.109: Swebiliius, Carl - "Recoil Operated Self Loading Firearms" USP# 2328108, August 31, 1943Add to your cart.
Folder 20.28.110: Swebiliius, Carl - "Bolt Action Firearms" USP# 2334798, November 23, 1943Add to your cart.
Box MS20.29Add to your cart.
Folder MS20.29.01: Tilton, Albert - "Butt Stocks for Shoulder Arms" USP# 1025550, May 7, 1912Add to your cart.
Folder MS20.29.02: Warner, Clifford - "Box Magazine for Firearms" USP# 2441735, May 18, 1948Add to your cart.
Folder MS20.29.03: Weisheit, Edward A. - "Extractor Detents for Firearms" USP# 617943, January 17, 1899Add to your cart.
Folder MS20.29.04: Wells, Charles - "Improvement in Cartridge Ejectors for Revolving Fire Arms" USP# 133732, December 10, 1872Add to your cart.
Folder MS20.29.05: Wetmore, William & T.G. Bennett - "Improvements in Magazine Firearms" USP# 190264, May 1, 1877Add to your cart.
Folder MS20.29.06: Wetmore, William - "Improvement in Magazine Firearms" USP# 206202, July 23, 1878Add to your cart.
Folder MS20.29.07: Wetmore, William - "Improvement in Magazine Firearms" USP# 213538, March 25, 1879Add to your cart.
Folder MS20.29.08: Wetmore, William - "Improvement in Magazine Firearms" USP# 219886, September 23, 1879Add to your cart.
Folder MS20.29.09: Wetmore, William - "Improvement in Locks for Firearms" USP# 223662, January 20, 1880Add to your cart.
Folder MS20.29.10: Wetmore, William & T.G. Bennett - "Improvements in Magazine Fire Arms" USP# 224366, February 10, 1880Add to your cart.
Folder MS20.29.11: Wetmore, William - "Magazines for Firearms" USP# 310103, December 30, 1884Add to your cart.
Folder MS20.29.12: Wetmore, William - "Magazine Firearms" USP# 548410, October 22, 1895Add to your cart.
Folder MS20.29.13: Wiles, Russell - "Small Bore Target Rifles" USP# 2062079, November 24, 1936Add to your cart.
Sub-Series 1: Williams, David - PatentsAdd to your cart.
Folder MS20.29.14: "Firearms" USP# 2289158, July 7, 1942Add to your cart.
Folder MS20.29.15: "Automatic Firearms Construction" USP# 2308257, January 12, 1943Add to your cart.
Folder MS20.29.16: "Front Band Construction for Firearms" USP# 2323954, July 13, 1943Add to your cart.
Folder MS20.29.17: "Receiver & Trigger Plate Construction for Firearms" USP# 2325646, August 3, 1943Add to your cart.
Folder MS20.29.18: "Pivotal Rear Sights for Firearms" USP# 2334300, November 16, 1943Add to your cart.
Folder MS20.29.19: "Takedown Firearms" USP# 2336431, December 7, 1943Add to your cart.
Folder MS20.29.20: "Piston Means for Gas Operated Firearms" USP# 2341005, February 8, 1944Add to your cart.
Folder MS20.29.21: "Piston Means for Gas Operated Firearms" USP# 2341680, February 15, 1944Add to your cart.
Folder MS20.29.22: "Takedown Firearms" USP# 2345083, March 28, 1944Add to your cart.
Folder MS20.29.23: "Firearms with Sling Straps" USP# 2350484, June 6, 1944Add to your cart.
Folder MS20.29.24: "Firearm Construction" USP# 2353800, July 18, 1944Add to your cart.
Folder MS20.29.25: "Gas Operated Self Loading Firearms" USP# 2355768, August 15, 1944Add to your cart.
Folder MS20.29.26: "Cartridge Deflection Means for Repeating Firearms" USP# 2355769, August 15, 1944Add to your cart.
Folder MS20.29.27: "Firing Mechanism for Firearms" USP# 2366823, January 9, 1945Add to your cart.
Folder MS20.29.28: "Firing Mechanism for Firearms" USP# 2361519, October 31, 1944Add to your cart.
Folder MS20.29.29: "Receiver Assembly for Firearms" USP# 2373213, April 10, 1945Add to your cart.
Folder MS20.29.30: "Piston Means for Gas Operated Firearms" USP# 2376466, May 22, 1945Add to your cart.
Folder MS20.29.31: "Bolt Action Firearms" USP# 2404555, July 23, 1946Add to your cart.
Folder MS20.29.32: "Cartridge Extraction Mechanism for Firearms" USP# 2412663, December 17, 1946Add to your cart.
Folder MS20.29.33: "Automatic Self-Releasing Mechanism for Firearms" USP# 2461670, February 15, 1949Add to your cart.
Folder MS20.29.34: "Intertia Operated Bolt Locks" USP# 2476232, July 12, 1949Add to your cart.
Folder MS20.29.35: Williams, David & Will Roemer - "Gas Operated Automatic Firearms" USP# 2348872, May 16, 1944Add to your cart.
Folder MS20.29.36: Wood, Stephen - "Improvement in Revolving Firearms" USP# 186445, January 23, 1877Add to your cart.
Folder MS20.29.37: Winans, Henry - "Firearms" USP# 1500293, July 8, 1923Add to your cart.
Sub-Series 2: Telescope, Sight & Ammunition PatentsAdd to your cart.
Folder MS20.29.38: Albee, George - "Sights for Firearms" USP# 852152, April 30, 1907Add to your cart.
Folder MS20.29.39: Bennett, T.G. - "Sights for Firearms" USP# 355121, December 28, 1886Add to your cart.
Folder MS20.29.40: Bennett, Win - "Adjustable Wind Gauge Rear Sights For Small Arms" USP# 922077, May 18, 1909Add to your cart.
Folder MS20.29.41: Bennett, Win - "Offset Adaptors for Telescopes for Firearms" USP# 958989, May 24, 1910Add to your cart.
Folder MS20.29.42: Bennett, Win - "Reversible Mounts for Telescope Sights" USP# 1000145, August 8, 1911Add to your cart.
Folder MS20.29.43: Blizard, Charles - "Ventilated Sight Ribs for Firearms" USP# 1323149, November 25, 1919Add to your cart.
Folder MS20.29.44: Blizard, Charles - "Ventilated Sight Ribs for Single Barrel Firearms" USP# 1329361, February 3, 1920Add to your cart.
Folder MS20.29.45: Blizard, Charles - "Sights for Firearms" USP# 1618749, February 22, 1927Add to your cart.
Sub-Series 3: Burton, Frank - PatentsAdd to your cart.
Folder MS20.29.46: "Telescope Sights for Firearms" USP# 870272, November 5, 1907Add to your cart.
Folder MS20.29.47: "Telescope Sights for Firearms" USP# 870273, November 5, 1907Add to your cart.
Folder MS20.29.48: "Telescope Sight Mounts for Firearms" USP# 960813, June 7, 1910Add to your cart.
Folder MS20.29.49: "Rear Sights for Firearms" USP# 1039896, October 1, 1912Add to your cart.
Folder MS20.29.50: "Rear Sights For Firearms" USP# 1288379, December 17, 1918Add to your cart.
Folder MS20.29.51: "Telescope Sights for Firearms" USP# 1293325, February 4, 1919Add to your cart.
Folder MS20.29.52: "Rear Sights for Firearms" USP# 1321508, November 11, 1919Add to your cart.
Folder MS20.29.53: "Ventilated Sight Ribs for Single Barrel Firearms" USP# 1323151, November 25, 1919Add to your cart.
Folder MS20.29.54: "Leaf Sights for Firearms' USP# 1338121, April 27, 1920Add to your cart.
Folder MS20.29.55: "Covers for Firearms Sights" USP# 2015098, September 24, 1935Add to your cart.
Folder MS20.29.56: "Adjustable Rear Sights for Firearms" USP# 2112268, March 29, 1938Add to your cart.
Folder MS20.29.57: "Removeable Mounts for Firearms Sights" USP# 2123273, July 12, 1938Add to your cart.
Folder MS20.29.58: "Adjustable Sight Mounts for Firearms" USP# 2165785, July 11, 1939Add to your cart.
Folder MS20.29.59: "Firearm Sights" USP# 2229637, January 28, 1941Add to your cart.
Folder MS20.29.60: Griffith, Charles - "Rear Sights for Guns" USP# 666665, January 29, 1901Add to your cart.
Folder MS20.29.61: Griffith, Charles - "Rear Sights for Guns" USP# 684226, October 8, 1901Add to your cart.
Folder MS20.29.62: Hastings, Charles - "Lens Systems for Terrestrial Telescopes" USP# 1395822, November 1, 1921Add to your cart.
Folder MS20.29.63: Humeston, Frederick - "Front Sights for Firearms" USP# 1989863, February 5, 1935Add to your cart.
Folder MS20.29.64: Humeston, Frederick - "Sights for Firearms" USP# 2014735, September 17, 1935Add to your cart.
Folder MS20.29.65: Humeston, Frederick - "Adjustable Telescope Mounts for Firearms" USP# 2161051, June 6, 1939Add to your cart.
Folder MS20.29.66: Humeston, Frederick - "Telescope Mounts for Firearms" USP# 2165796, July 11, 1939Add to your cart.
Folder MS20.29.67: Humeston, Frederick - "Telescope Mounts for Firearms" USP# 2151768, March 28, 1939Add to your cart.
Folder MS20.29.68: Joeck, Thomas - "Telescope Sight Mounts" USP# 1361063, December 7, 1920Add to your cart.
Folder MS20.29.69: Joeck, Thomas - "Telescope Mountings for Firearms" USP# 1362320, December 14, 1920Add to your cart.
Folder MS20.29.70: Johnson, T.C. - "Adjustable Rear Sights" USP# 659929, October 16, 1900Add to your cart.
Folder MS20.29.71: Johnson, T.C. - "Rear Sights for Firearms" USP# 667628, February 5, 1901Add to your cart.
Folder MS20.29.72: Johnson, T.C. - "Telescope Attachments for Guns" USP# 852119, April 30, 1907Add to your cart.
Folder MS20.29.73: Johnson, T.C. - "Telescope Sights for Firearms" USP# 870295, November 5, 1907Add to your cart.
Folder MS20.29.74: Johnson, T.C. - "Protectors for Front Sights of Shoulder Firearms" USP# 1162367, November 30, 1915Add to your cart.
Folder MS20.29.75: Johnson, T.C. - "Sight Bases for Gun Barrels" USP# 1164285, December 14, 1915Add to your cart.
Folder MS20.29.76: Johnson, T.C. - "Front Sights for Military Shoulder Arms" USP# 1191704, July 18, 1916Add to your cart.
Folder MS20.29.77: Johnson, T.C. & Franklin Knous - "Combined Peepsights & Open Sights for Firearms" USP# 1260907, March 26, 1918Add to your cart.
Folder MS20.29.78: Mason, William - "Guards for Front Sights of Firearms" USP# 625581, May 23, 1899Add to your cart.
Folder MS20.29.79: Matteson, George - "Telescope Sights for Firearms" USP# 912011, February 9, 1909Add to your cart.
Folder MS20.29.80: Page, Lovell - "Windage Sights for Firearms" USP# 1291684, January 14, 1919Add to your cart.
Folder MS20.29.81: Palmer, Erik - "Adjustable Scale Sights for Firearms" USP# 1288666, December 24, 1918Add to your cart.
Folder MS20.29.82: Palmer, Erik - "Adjustable Scale Sights for Firearms" USP# 1288977, December 24, 1918Add to your cart.
Folder MS20.29.83: Palmer, Erik - "Luminous Sights for Firearms" USP# 1307063, June 17, 1919Add to your cart.
Folder MS20.29.84: Rabbeth, Francis - "Sights for Firearms" USP# 301628, July 8, 1884Add to your cart.
Folder MS20.29.85: Swebiliius, Carl - "Rear Sight Construction for Firearms" USP# 2173701, September 19, 1939Add to your cart.
Folder MS20.29.86: Tilton, Albert - "Front Sights for Firearms" USP# 712863, November 4, 1902Add to your cart.
Folder MS20.29.87: Weed, Alfred - "Peep Sights for Firearms" USP# 600104, March 1, 1898Add to your cart.
Folder MS20.29.88: Warfield, Oliver - "Improvement in Sights for Firearms" USP# 217717, July 22, 1879Add to your cart.
Folder MS20.29.89: Warfield, Oliver - "Improvement in Sights for Firearms" USP# 214331, April 15, 1879Add to your cart.
Folder MS20.29.90: Wetmore, William - "Sights for Firearms" USP# 338898, March 30, 1886Add to your cart.
Folder MS20.29.91: Bennett, T.G. - "Clasps for Belts" USP# 237673, February 15, 1881Add to your cart.
Folder MS20.29.92: Buell, William - "Impact Illuminated Targets for Pleasure Shooting" USP# 1091116, March 24, 1914Add to your cart.
Folder MS20.29.93: Buell, William - "Impact Illuminated Targets for Pleasure Shooting" USP# 1093171, April 14, 1914Add to your cart.
Folder MS20.29.94: Foster, Harry & Louis Leroy - "Control Apparatus for Target Traps" USP# 2072746, March 2, 1937Add to your cart.
Folder MS20.29.95: Buxton, Paul & Garry Foster - "Trap Shooting Apparatus" USP# 2077672, April 20, 1937Add to your cart.
Folder MS20.29.96: Foster, Harry - "Self Angling Target Traps" USP# 2328796, September 7, 1943Add to your cart.
Folder MS20.29.97: Gardner, John - "Holders for Racking Cartridges" USP# 285992, October 2, 1883Add to your cart.
Folder MS20.29.98: Johnson, Gustave - "Hand Traps for Throwing Clay Pigeons" USP# 1306381, June 10, 1819Add to your cart.
Folder MS20.29.99: Kasack, Frederick - "Hand Packages for Clay Pigeons" USP# 1356069, October 19, 1920Add to your cart.
Folder 20.29.100: Manning, Fowler - "For A Showcase For Shoulder Arms" USP# 52223, July 23, 1918Add to your cart.
Folder 20.29.101: McCrea, Arthur - "Target Traps" USP# 2121763, June 21, 1938Add to your cart.
Folder 20.29.102: Sibley, Edward - "Hand Traps for Clay Pigeons" USP# 1306393, June 10, 1919Add to your cart.
Folder 20.29.103: Sigafoos, Clark - "Flying Targets" USP# 1227966, May 29, 1917Add to your cart.
Folder 20.29.104: Allen, Hubert - "Machine for Greasing Bullets" USP# 240635, April 26, 1881Add to your cart.
Folder 20.29.105: Barlow, John - "Machine for Feeding Cartridge Shells" USP# 233062, October 12, 1880Add to your cart.
Sub-Series 4: Bennett, T.G. - PatentsAdd to your cart.
Folder 20.29.106: "Percussion - Fuses for Projectiles" USP# 320210, June 16, 1885Add to your cart.
Folder 20.29.107: "Improvements in the Manufacture of Cartridge Shells" USP# 224765, February 24, 1880Add to your cart.
Folder 20.29.108: "Machines for Feeding Cartridge Shells" USP# 232169, September 14, 1880Add to your cart.
Folder 20.29.109: "Methods and Apparatus for Annealing Cartridge Shells" USP# 232882, October 5, 1880Add to your cart.
Folder 20.29.110: "Machines for Trimming Cartridge Shells" USP# 9566, February 15, 1881Add to your cart.
Folder 20.29.111: "Cartridge Packages" USP# 260153, June 27, 1882Add to your cart.
Folder 20.29.112: "Primers" USP# 291974, January 15, 1884Add to your cart.
Folder 20.29.113: "Primers" USP# 294566, March 4, 1884Add to your cart.
Folder 20.29.114: "Primers" USP# 294957, March 11, 1884Add to your cart.
Folder 20.29.115: "Cartridge Reloading Implements" USP# 383693, May 29, 1888Add to your cart.
Folder 20.29.116: "Resizing Implements for Cartridges" USP# 355122, December 28, 1886Add to your cart.
Folder 20.29.117: "Projectiles" USP# 354376, December 14, 1886Add to your cart.
Folder 20.29.118: "Shells" USP# 472782, April 12, 1892Add to your cart.
Folder 20.29.119: "Cartridge Shells" USP# 503117, August 15, 1893Add to your cart.
Folder 20.29.120: "Cartridges" USP# 590428, September 21, 1897Add to your cart.
Folder 20.29.121: "Percusion Cap Cards" USP# 576391, February 2, 1897Add to your cart.
Folder 20.29.122: "Primers for Ordnance" USP# 606440, June 28, 1898Add to your cart.
Folder 20.29.123: "Compound Punches" USP# 627289, June 20, 1899Add to your cart.
Folder 20.29.124: Bitz, Charles - "Machines for Uncapping Cartridge Shells" USP# 233317, October 19, 1880Add to your cart.
Folder 20.29.125: Bradley, George - "Improvement in Dial Feeds for Cartridge Machines" USP# 180746, August 8, 1876Add to your cart.
Folder 20.29.126: Brown, Daniel - "Shot Spreaders" USP# 699487, May 6, 1902Add to your cart.
Folder 20.29.127: Buell, William - "Priming Chargers" USP# 1106343, August 4, 1914Add to your cart.
Folder 20.29.128: Williams, David: “Gas Operated Self-Loading Firearms”: USP# 2346954, April 18, 1944Add to your cart.
Box MS20.30Add to your cart.
Sub-Series 1: Buell, William - PatentsAdd to your cart.
Folder MS20.30.01: "Priming Charges" USP# 1174669, March 7, 1916Add to your cart.
Folder MS20.30.02: "Priming Charges" USP# 1184316, May 23, 1916Add to your cart.
Folder MS20.30.03: "Mixtures for Impact Illuminating Bullets" USP# 1242879, October 9, 1917Add to your cart.
Folder MS20.30.04: "Priming Charges" USP# 1312156, August 5, 1919Add to your cart.
Folder MS20.30.05: "Priming Mixture" USP# 1027814, May 28, 1912Add to your cart.
Folder MS20.30.06: "Impact-Illuminating Bullets" USP# 1088007, February 24, 1914Add to your cart.
Folder MS20.30.07: "Rim Fire Ammunition for Small Arms" USP# 966163, August 2, 1910Add to your cart.
Folder MS20.30.08: "Primers for Small Arm Ammunition" USP# 962888, June 28, 1910Add to your cart.
Folder MS20.30.09: "Cartridge Casings" USP# 1205942, November 21, 1916Add to your cart.
Folder MS20.30.10: Burns, Henry - "Cartridge Loading Machines" USP# 232238, September 14, 1880Add to your cart.
Folder MS20.30.11: Burns, Henry - "Cartridge Crimping Machines" USP# 237480, February 8, 1881Add to your cart.
Folder MS20.30.12: Burns, Henry & Thomas Bennett - "Cellular Primer Trays" USP# 705318, July 22, 1902Add to your cart.
Folder MS20.30.13: Burton, C.; G. Salisbury and C. Wells - "Improvement in Cartridge Capping Machines" USP# 181309, August 22, 1876Add to your cart.
Folder MS20.30.14: Buxton, Paul - "Ammunition" USP# 2193245, March 12, 1940Add to your cart.
Folder MS20.30.15: Crasnoff, Victor - "Expanding Projectiles" USP# 2333091, November 2, 1943Add to your cart.
Folder MS20.30.16: Fallon, Thomas - "Ammunition" USP# 2050692, August 11, 1936Add to your cart.
Folder MS20.30.17: Foisy, George - "Disintegrating Bullets" USP# 2105528, January 18, 1938Add to your cart.
Folder MS20.30.18: Fowler, Herbert - "Method of Finishing Cartridge Shells" USP# 350729, October 12, 1886Add to your cart.
Folder MS20.30.19: Gardner, John - "Punching & Drawing Presses" USP# 271831, February 6, 1883Add to your cart.
Folder MS20.30.20: Gardner, John - "Machine for Counting Gun Wads" USP# 320236, June 16, 1885Add to your cart.
Folder MS20.30.21: Gardner, John - "Design for a Solid Head Cartridge Shell" USP# 26677, February 23, 1897Add to your cart.
Folder MS20.30.22: Gardner, John - "Primers for Cartridges" USP# 653953, July 17, 1900Add to your cart.
Folder MS20.30.23: Gardner, John - "Primers" USP# 572888, December 8, 1896Add to your cart.
Folder MS20.30.24: Gravely, Julian - "Shot Shells" USP# 1320754, November 4, 1919Add to your cart.
Folder MS20.30.25: Gravely, Julian - "Shot Shells" USP# 1304962, May 27, 1919Add to your cart.
Folder MS20.30.26: Hill, Martin - "Improvement in Cartridge Loading Machines" USP# 203731, July 14, 1878Add to your cart.
Folder MS20.30.27: Hill, Martin - "Machines for Feeding Cartridge Shells" USP# 233095, October 12, 1880Add to your cart.
Folder MS20.30.28: Howard, Arthur - "Improvement in Machines for Capping Cartridge Shells" USP# 221563, November 11, 1879Add to your cart.
Folder MS20.30.29: Jewett, Arthur - "Shot Shells" USP# 1305114, May 27, 1919Add to your cart.
Folder MS20.30.30: Jewett, Arthur - "Shot Shells" USP# 1305113, May 27, 1919Add to your cart.
Folder MS20.30.31: Jewett, Arthur - "Shot Shells" USP# 1305115, May 27, 1919Add to your cart.
Folder MS20.30.32: Jewett, Arthur - "Shot Shells" USP# 1363043, December 21, 1920Add to your cart.
Sub-Series 2: Johnson, T.C. - PatentsAdd to your cart.
Folder MS20.30.33: "Mushroom Bullets" USP# 1083615, January 6, 1914Add to your cart.
Folder MS20.30.34: "Mushroom Bullets" USP# 1084342, January 13, 1914Add to your cart.
Folder MS20.30.35: "Mushroom Bullets" USP# 1084343, January 13, 1914Add to your cart.
Folder MS20.30.36: "Impact Illuminating Bullets" USP# 1088025, February 24, 1914Add to your cart.
Folder MS20.30.37: "Impact Illuminating Bullets" USP# 1088026, February 24, 1914Add to your cart.
Folder MS20.30.38: "Impact Illuminating Bullets" USP# 1088027, February 24, 1914Add to your cart.
Folder MS20.30.39: "Mushrooming Bullets" USP# 1077607, November 4, 1913Add to your cart.
Folder MS20.30.40: "Mushrooming Bullets" USP# 1077608, November 4, 1913Add to your cart.
Folder MS20.30.41: "Mushrooming Bullets" USP# 1080974, December 9, 1913Add to your cart.
Folder MS20.30.42: "Mushrooming Bullets" USP# 1080975, December 9, 1913Add to your cart.
Folder MS20.30.43: "Mushrooming Bullets" USP# 1080976, December 9, 1913Add to your cart.
Folder MS20.30.44: "Mushrooming Bullets" USP# 1080977, December 9, 1913Add to your cart.
Folder MS20.30.45: "Mushrooming Bullets" USP# 1081616, December 16, 1913Add to your cart.
Folder MS20.30.46: "Paper Shot Shells" USP# 1065811, June 24, 1913Add to your cart.
Folder MS20.30.47: "Mushrooming Bullets" USP# 1062919, May 27, 1913Add to your cart.
Folder MS20.30.48: King, Victor - "Machines for Heading Cartridge Shells" USP# 230638, August 3, 1880Add to your cart.
Sub-Series 3: Mason, William - PatentsAdd to your cart.
Folder MS20.30.49: "Machines for Feeding Metallic Cartridge Shells into Tubes" USP# 271886, February 6, 1883Add to your cart.
Folder MS20.30.50: "Mechanical Feeding Devices" USP# 301736, July 8, 1884Add to your cart.
Folder MS20.30.51: "Devices for Feeding Cartridge Shells" USP# 317396, May 5, 1885Add to your cart.
Folder MS20.30.52: "Machines for Counting Gun Wads" USP# 319284, June 2, 1885Add to your cart.
Folder MS20.30.53: "Machines for Trimming Cartridge Shells" USP# 323180, July 28, 1885Add to your cart.
Folder MS20.30.54: "Machines for Polishing Cartridge Shells" USP# 327290, September 29, 1885Add to your cart.
Folder MS20.30.55: "Cartridge Reloading Implements" USP# 382482, May 8, 1888Add to your cart.
Folder MS20.30.56: "Machines for Heading Cartridge Shells" USP# 386254, July 17, 1888Add to your cart.
Folder MS20.29.57: "Machines for Heading Cartridge Shells" USP# 437442, September 30, 1890Add to your cart.
Folder MS20.29.58: "Machines for Reducing & Finishing Cartridge Shells" USP# 463403, November 17, 1891Add to your cart.
Folder MS20.29.59: "Cartridge Reloading Implements" USP# 514722, February 13, 1894Add to your cart.
Folder MS20.29.60: "Electrical Primers" USP# 520116, May 22, 1894Add to your cart.
Folder MS20.29.61: "Machines for Heading Sheet Metal Shells for Cartridges" USP# 548882, October 29, 1895Add to your cart.
Folder MS20.29.62: "Punches" USP# 560515, May 19, 1896Add to your cart.
Folder MS20.29.63: "Reducing Die for Cartridge Cases" USP# 570760, November 3, 1896Add to your cart.
Folder MS20.29.64: "A Combined Percussion & Electrical Primer" USP# 712826, November 4, 1902Add to your cart.
Folder MS20.29.65: "Automatic Machines for Furnishing Tubes for Paper Shell Cartridges" USP# 587133, July 27, 1897Add to your cart.
Folder MS20.29.66: "Automatic Machines for Wadding & Capping Paper Cartridge Shells" USP# 588801, August 24, 1897Add to your cart.
Folder MS20.29.67: "Dies For Making Cartridge Cases" USP# 592095, October 19, 1897Add to your cart.
Folder MS20.29.68: "Machines for Drilling Gun Barrels" USP# 596782, January 4, 1898Add to your cart.
Folder MS20.30.69: Pugsley, Edwin - "Methods of Making Pleated Shots" USP# 1785493, December 16, 1930Add to your cart.
Folder MS20.30.70: Jordan, Lawrence - "Binders for Priming Compounds" USP# 1718358, June 25, 1929Add to your cart.
Folder MS20.30.71: McBride, George - "Propellent Powders" USP# 2344516, March 21, 1944Add to your cart.
Folder MS20.30.72: Lower, Joseph - "Transparent Top Wad for Cartridges" USP# 535384, March 12, 1895Add to your cart.
Folder MS20.30.73: Keen, Eliot - "Bullets for Pleasure Target Shooting" USP# 1094402, April 21, 1914Add to your cart.
Folder MS20.30.74: McNutt, JosephAdd to your cart.
Item 20.30.74.1: "Noncorrosive Priming Mixtures" USP# 1718370, June 25, 1929Add to your cart.
Item 20.30.74.2: "Mercury Fulminate and Methods of Treating Same" USP# 1718371, June 25, 1929Add to your cart.
Item 20.30.74.3: "Priming Mixtures" USP# 1755330, April 22, 1930Add to your cart.
Item 20.30.74.4: "Priming Mixtures" USP# 1774992, September 2, 1930Add to your cart.
Item 20.30.74.5: "Priming Mixtures" USP# 1779820, October 28, 1930Add to your cart.
Item 20.30.74.6: "Priming Mixtures" USP# 1779851, October 28, 1930Add to your cart.
Folder MS20.30.75: McNutt, Joseph -Add to your cart.
Item 20.30.75.1: "Priming Mixtures" USP# 1825466, September 29, 1931Add to your cart.
Item 20.30.75.2: "Priming Mixtures" USP# 18137 (Reissue), July 28, 1931Add to your cart.
Item 20.30.75.3: "Priming Mixtures" USP# 1842556, January 26, 1932Add to your cart.
Item 20.30.75.4: "Priming Mixtures" USP# 1851398, March 29, 1932Add to your cart.
Item 20.30.75.5: "Propellant Explosives" USP# 1858373, May 17, 1932Add to your cart.
Folder MS20.30.76: McNutt, Joseph -Add to your cart.
Item 20.30.76.1: "Priming Mixtures" USP# 1930653, October 17, 1931Add to your cart.
Item 20.30.76.2: "Explosives" USP# 1906394, May 2, 1933Add to your cart.
Item 20.30.76.3: "Priming Mixtures" USP# 2004505, June 11, 1935Add to your cart.
Item 20.30.76.4: "Priming Mixtures" USP# 2005197, June 18, 1935Add to your cart.
Item 20.30.76.5: "Priming Mixtures" USP# 2002960, May 28, 1935Add to your cart.
Item 20.30.76.6: "Priming Mixtures" USP# 2009556, July 30, 1935Add to your cart.
Folder MS20.30.77: McNutt, JosephAdd to your cart.
Item 20.30.77.1: "Priming Compositions" USP# 1779821, October 28, 1930Add to your cart.
Item 20.30.77.2: "Priming Mixtures" USP# 2136801, November 15, 1938Add to your cart.
Item 20.30.77.3: "Process of Manufacturing Salts of Styphnic Acid" USP# 2352964, July 4, 1944Add to your cart.
Item 20.30.77.4: "Explosives" USP# 2292956, August 11, 1942Add to your cart.
Folder MS20.30.78: Murphy, James - "Primer Anvils" USP# 1600059; "The Manufacture of Primer Anvils" USP# 1664480, September 14, 1926; April 3, 1928Add to your cart.
Folder MS20.30.79: Parker, Edward - "Machines for Greasing Cartridges" USP# 286059, October 2, 1883Add to your cart.
Folder MS20.30.80: Parker, Edward - "Machines for Crimping Cartridges" USP# 310306, January 6, 1885Add to your cart.
Folder MS20.30.81: Roberts, Charles - "Display Packages for Powder Shot, etc." USP# 719876, February 3, 1903Add to your cart.
Folder MS20.30.82: Rosien, Victor - "Shot Shells & Shot Shell Body Paper" USP# 1959109, May 15, 1934Add to your cart.
Folder MS20.30.83: Salisbury, George - "Improvement in Feeding Devices for Machines for Making Cartridge Shells" USP# 182858, October 3, 1876Add to your cart.
Folder MS20.30.84: Salisbury, George - "Cartridge Assembly Machines" USP# 232907, October 5, 1880Add to your cart.
Folder MS20.30.85: Salisbury, George - "Paper Cartridge Machines" USP# 237605, February 8, 1881Add to your cart.
Folder MS20.30.86: Salisbury, George - "Paper Cartridge Machines" USP# 239851, April 5, 1881Add to your cart.
Folder MS20.30.87: Salisbury, George - "Methods of Closing Blank Cartridges" USP# 260326, June 27, 1882Add to your cart.
Folder MS20.30.88: Salisbury, George - "Improvement in Machines for Burring Cartridge Shells" USP# 182857, October 3, 1876Add to your cart.
Folder MS20.30.89: Salisbury, George & Charles Wells - "Improvement in Tools for Heading Cartridge Shells" USP# 170772, December 7, 1875Add to your cart.
Folder MS20.30.90: Salisbury, George & Charles Wells - "Improvement in Machines for Testing Cartridge Shells" USP# 181364, August 22, 1876Add to your cart.
Folder MS20.30.91: Sanford, George - "Method of Arranging Cartridge Shells" USP# 247419, September 20, 1881Add to your cart.
Folder MS20.30.92: Session, Asa - "Improvement in Cartridge Trimming Machines" USP# 203655, May 14, 1878Add to your cart.
Folder MS20.30.93: Schou, Cecil - "Projectiles" USP# 734966, July 28, 1903Add to your cart.
Folder MS20.30.94: Schuricht, Alfons - "Ammunition" USP# 2144780, January 24, 1939Add to your cart.
Folder MS20.30.95: Smith, Phillip - "Ammunition" USP# 2076868, April 13, 1937Add to your cart.
Folder MS20.30.96: Starkweather, Henry - "Mushroom Bullets" USP# 1107722, August 18, 1914Add to your cart.
Folder MS20.30.97: Starkweather, Henry - "Mushroom Bullets" USP# 1081065, December 9, 1913Add to your cart.
Folder MS20.30.98: Starkweather, Henry - "Electric Primers" USP# 1034160, July 30, 1912Add to your cart.
Folder MS20.30.99: Starkweather, Henry - "Mushroom Bullets" USP# 1063748, June 3, 1913Add to your cart.
Folder 20.30.100: Starkweather, Henry - "Mushroom Bullets" USP# 1077564, November 4, 1913Add to your cart.
Folder 20.30.101: Stevenson, Charles - "Paper Shell Cartridges" USP# 1057591, April 1, 1913Add to your cart.
Folder 20.30.102: Stevenson, Charles - "Paper Shell Cartridges" USP# 1039839, October 1, 1912Add to your cart.
Folder 20.30.103: Stevenson, Charles - "Tubular Shot Cartons" USP# 1113708, October 13, 1914Add to your cart.
Folder 20.30.104: Uhl, Edward - "Mushrooming Bullets" USP# 1062865, May 27, 1913Add to your cart.
Folder 20.30.105: Wagner, William - "Shot Shells" USP# 2105993, January 18, 1938Add to your cart.
Folder 20.30.106: Wetmore, William - "Cartridge Reloading Implements" USP# 376930, January 24, 1888Add to your cart.
Folder 20.30.107: Williams, Henry - "Shot Spreaders" USP# 519559, May 8, 1894Add to your cart.
Folder 20.30.108: Wood, Stephen - "Improvement in Machines for Heading Cartridge Shells" USP# 178825, June 13, 1876Add to your cart.
Folder 20.30.109: Barlow, John - "Cartridge Reloading Tools" USP# 267130, November 7, 1882Add to your cart.
Folder 20.30.110: Barlow, John - "Improvement in Cartridge Loading Implements" USP# 229301, June 29, 1880Add to your cart.
Folder 20.30.111: Barnes, George - "Improvements in Cartridge Capping Implements" USP# 222000, November 25, 1879Add to your cart.
Folder 20.30.112: Brown, Daniel - "Cartridge Reloading Implements" USP# 329135, October 27, 1885Add to your cart.
Folder 20.30.113: Griffith, Charles - "Cartridge Reloading Implements" USP# 448228, March 17, 1891Add to your cart.
Folder 20.30.114: Smith, William - "Cartridge Reloading Tools" USP# 514737, February 13, 1894Add to your cart.
Box MS20.31Add to your cart.
Sub-Series 1: Manufacturing Equipment PatentsAdd to your cart.
Folder MS20.31.01: Borchardt, Hugo - "Improvements in Machines for Grooving Bullets" USP# 153310, July 21, 1874Add to your cart.
Folder MS20.31.02: Brown, Edward - "Improvement in Dies for Pressing Bullets" USP# 125376, April 9, 1872Add to your cart.
Folder MS20.31.03: Burns, Harry - "Apparatus for Greasing Bullets" USP# 264237, September 12, 1882Add to your cart.
Folder MS20.31.04: Florman, Edwin - "Chronographic Methods & Apparatus" USP# 2278514, April 7, 1942Add to your cart.
Folder MS20.31.05: Hunt, Edwin - "Apparatus for Annealing Cartridge Shells" USP# 233250, October 12, 1880Add to your cart.
Folder MS20.31.06: McGrail, John - "Machines for Gauging & Greasing Bullets" USP# 481731, August 30, 1892Add to your cart.
Folder MS20.31.07: McGrail, John - "Bullet Greasing Machines" USP# 620350, February 28, 1899Add to your cart.
Folder MS20.31.08: Moore, John - "Improvement in Bullet Machines" USP# 222933, December 23, 1879Add to your cart.
Folder MS20.31.09: Morrill, Dana - "Target Making Machines" USP# 1300996, April 15, 1919Add to your cart.
Folder MS20.31.10: Salisbury, George - "Machines for Greasing Gun Wads" USP# 242052, May 24, 1881Add to your cart.
Folder MS20.31.11: Smith, Phillip - "Apparatus for Electro-Plating" USP# 1885148, November 1, 1932Add to your cart.
Folder MS20.31.12: Stetson, George - "Improvements in Machine for Making Bullets" USP# 133066, November 12, 1872Add to your cart.
Folder MS20.31.13: Whitney, Harry and Charles Bitz - "Machine for Uncapping Cartridge Shells" USP# 243022, June 14, 1881Add to your cart.
Folder MS20.31.14: Warmer, Robert - "Chronoscopic Methods & Apparatus" USP# 2235188, March 18, 1941Add to your cart.
Sub-Series 2: ExplosivesAdd to your cart.
Folder MS20.31.15: Berkley, Earl & George E. Frost - "Explosives" USP# 2211737, August 13, 1940Add to your cart.
Folder MS20.31.16: Burtle, Jerome - "The Manufacture of Explosives" USP# 2347660, May 2, 1944Add to your cart.
Folder MS20.31.17: Fleischer, Arthur - "The Manufacture of Purified Crystalline Products" USP# 2378296, June 12, 1945Add to your cart.
Folder MS20.31.18: Fleischer, Joseph - "The Preparation of Cellulose Derivatives" USP# 2191525, February 27, 1940Add to your cart.
Folder MS20.31.19: Fleischer, Joseph & Jerome Burtle - "Initiating Explosives" USP# 2421778, June 10, 1947Add to your cart.
Folder MS20.31.20: Franz, Arvel & Orin Keplinger - USP# 2415423, February 11, 1947Add to your cart.
Folder MS20.31.21: Franz, Arvel & Orin Keplinger - USP# 2445741, July 20, 1948Add to your cart.
Folder MS20.31.22: Franz, Burvee; John Wilkinson & Samuel Herlich - "Normal Lead Styphnate and a Method of Making It" USP# 2150653, March 14, 1939Add to your cart.
Folder MS20.31.23: Garfield, Fraderick - "The Manufacture of Normal Lead Trinitroresorcinate and Double Salts Thereof" USP# 2295104, September 8, 1942Add to your cart.
Folder MS20.31.24: Garfield, Frederick & Herman Dreher - "The Manufacture of Diazodinitrophenol" USP# 2408059, September 24, 1946Add to your cart.
Folder MS20.31.25: Goff, Lionel Elmer - "Making Cellulose Derivatives" USP# 2180517, November 21, 1939Add to your cart.
Folder MS20.31.26: Goff, Lionel Elmer - "Cellulose Derivative Film and Coating" USP# 2259746, October 21, 1941Add to your cart.
Folder MS20.31.27: Goff, Lionel; Lyle Sheldon, Milton Herzog and Fredrich Olsen - "Wood Cellulose and Methods of Producing Same" USP# 21935 (Reissue), November 4, 1941Add to your cart.
Folder MS20.31.28: Hatch, George - "Explosives" USP# 2156942, May 2, 1939Add to your cart.
Folder MS20.31.29: Herzog, Milton - "The Manufacture of Explosives" USP# 2394449, February 5, 1946Add to your cart.
Folder MS20.31.30: Hooper, Ray - "Drying Apparatus" USP# 2385809, October 2, 1945Add to your cart.
Folder MS20.31.31: Hitchens, Aaron & Frederick Garfield - "Basic Lead Styphnate and a Process of Making It" USP# 2265230, December 9, 1941Add to your cart.
Folder MS20.31.32: Jones, Delbert - "The Manufacture of Explosives" USP# 2357830, September 12, 1944Add to your cart.
Folder MS20.31.33: Kerone, Edward - "The Manufacture of Nitrosoguanidine" USP# 2146188, February 7, 1939Add to your cart.
Folder MS20.31.34: Kerone, Edward & Clayton Carroll - "Explosives" USP# 2177657, October 31, 1939Add to your cart.
Folder MS20.31.35: McDonald, Manuel - "Apparatus for the Treatment and Removal of Chemicals From Cooked or Digested Fiber Pulp" USP# 2355091, August 8, 1944Add to your cart.
Folder MS20.31.36: Olin, Franklin; Ernest Meyers & Frederick Seavey - "Detonator Packages" USP# 2062189, November 24, 1936Add to your cart.
Folder MS20.31.37: Olsen, Fredrich -Add to your cart.
Item 20.31.37.1: "Cellulose Pulping Systems and Products Thereof" USP# 2087263, July 20, 1937Add to your cart.
Item 20.31.37.2: "Processes of Impregnating Wood Chips" USP# 2137779, November 22, 1938Add to your cart.
Item 20.31.37.3: "Pulping Processes" USP# 2061205, November 17, 1936Add to your cart.
Item 20.31.37.4: "Methods of Producing Cellulose Pulp" USP# 2169473, August 15, 1939Add to your cart.
Folder MS20.31.38: Olsen, Fredrich -Add to your cart.
Item 20.31.38.1: "The Manufacture of Wood Pulp" USP# 2269985, January 13, 1942Add to your cart.
Item 20.31.38.2: "Processes of Producing Wood Cellulose" USP# 2230119, January 28, 1941Add to your cart.
Item 20.31.38.3: "Processes of Preparing Wood Pulp" USP# 2314658, March 23, 1943Add to your cart.
Folder MS20.31.39: Olsen, Fredrich - "Process of Making Propellent Powder" USP# 2028990, January 28, 1936Add to your cart.
Folder MS20.31.40: Olsen, Fredrich - "Smokeless Powder" USP# 2292469, August 11, 1942Add to your cart.
Folder MS20.31.41: Olsen, Fredrich - "The Manufacture of Smokeless Powder" USP# 2235298, March 18, 1941Add to your cart.
Folder MS20.31.42: Olsen, Fredrich - "Explosives" USP# 2349300, May 23, 1944Add to your cart.
Folder MS20.31.43: Olsen, Fredrich; Soldon Feldman & Lyle Sheldon - "Processes of Preparing Wood Pulp" USP# 2324230, July 13, 1943Add to your cart.
Folder MS20.31.44: Olsen, Fredrich & Frederick Seavey - "Nitrosoguanidine as a Priming Ingredient" USP# 2060522, November 10, 1936Add to your cart.
Folder MS20.31.45: Olsen, Fredrich & Gordon Tibbitts - "Propellant Powders" USP# 2111075, March 15, 1938Add to your cart.
Folder MS20.31.46: Olsen, Fredrich; Gordon Tibbitts & Edward Kerone - "The Manufacture of Smokeless Powders" USP# 2027114, January 7, 1936Add to your cart.
Folder MS20.31.47: Olsen, Fredrich; Gordon Tibbitts & Edward Kerone - "Explosives" USP# 2213255, September 3, 1940Add to your cart.
Folder MS20.31.48: Olsen, Fredrich; Gordon Tibbitts & Edward Kerone - "The Manufacture of Smokeless Powders" USP# 2206916, July 9, 1940Add to your cart.
Folder MS20.31.49: Olsen, Fredrich; Gordon Tibbitts & Edward Kerone - "The Manufacture of Smokeless Powder" USP# 2175212, October 10, 1939Add to your cart.
Folder MS20.31.50: Schaefer, Harold - "Explosives" USP# 2160626, May 30, 1939Add to your cart.
Folder MS20.31.51: Seave, Frederick - "Electric Firing Devices" USP# 2481696, September 13, 1949Add to your cart.
Folder MS20.31.52: Seavey, Frederick - "Explosives" USP# 2382921, August 14, 1945Add to your cart.
Folder MS20.31.53: Seavey, Frederick - "Coating Methods and Apparatus" USP# 2386818, October 16, 1945Add to your cart.
Folder MS20.31.54: Seavey, Frederick - "Explosives" USP# 2248587, July 8, 1941Add to your cart.
Folder MS20.31.55: Seavey, Frederick - "Stratified Primer Charges" USP# 2068516, January 19, 1937Add to your cart.
Folder MS20.31.56: Seavey, Frederick & Edward Kerone - "The Handling of Sensitive Materials" USP# 2146033, February 7, 1939Add to your cart.
Folder MS20.31.57: Sheldon, Lyle - "Cellulose Pulping Systems" USP# 2300733, November 3, 1942Add to your cart.
Folder MS20.31.58: Sheldon, Lyle - "Methods of Bleaching Cellulose" USP# 2190274, February 13, 1940Add to your cart.
Folder MS20.31.59: Sheldon, Lyle - "Processes for Purifying Wood Pulp" USP# 2198065, April 23, 1940Add to your cart.
Folder MS20.31.60: Sheldon, Lyle; Lionel Goff, Milton Herzog & Fredrich Olsen - USP# 2185776, January 2, 1940Add to your cart.
Folder MS20.31.61: Sheldon, Lyle; Lionel Goffd & Dwight Alderson - "Refining Wood Pulp" USP# 2198706, April 30, 1940Add to your cart.
Folder MS20.31.62: Silk, Charles - "Processes of Making Extruded Powder" USP# 2381468, August 7, 1945Add to your cart.
Folder MS20.31.63: Silk, Charles - "Propellent Powders" USP# 2335804, November 30, 1943Add to your cart.
Folder MS20.31.64: Silk, Charles - "Propellent Powder Processes" USP# 2337943, December 28, 1943Add to your cart.
Folder MS20.31.65: Silk, Charles - "Smokeless Powder Processes" USP# 2375175, May 1, 1945Add to your cart.
Folder MS20.31.66: Silk, Charles - "The Manufacture of Propellent Explosives" USP# 2417090, March 11, 1947Add to your cart.
Folder MS20.31.67: Smith, John - "Blasting Cap Packages" USP# 2371271, March 13, 1945Add to your cart.
Folder MS20.31.68: Smith, John - "Delay Detonators" USP# 2133119, October 11, 1938Add to your cart.
Folder MS20.31.69: Tauson, Hans - "Processes of Making Basic Lead Trinitroresorcinol" USP# 2020665, November 12, 1935Add to your cart.
Folder MS20.31.70: Walkup, Lewis - "Apparatus for Continuously Separating Solids of Explosive from Liquid" USP# 2490108, December 6, 1949Add to your cart.
Folder MS20.31.71: Woodring, William - "Explosives" USP# 2206652, July 2, 1940Add to your cart.
Sub-Series 3: Knife BladesAdd to your cart.
Folder MS20.31.72: Hemming, Otto -Add to your cart.
Item 20.31.72.1: "Knife Blade Hardening Devices" USP# 1303200, May 6, 1919Add to your cart.
Item 20.31.72.2: "Process of Making Folding Articles" USP# 1280462, October 1, 1918Add to your cart.
Item 20.31.72.3: "Pocket Cutlery" USP# 1298944, April 1, 1919Add to your cart.
Item 20.31.72.4: "Pocket Knives" USP# 1337769, April 20, 1920Add to your cart.
Folder MS20.31.73: Henry, Ferdinand -Add to your cart.
Item 20.31.73.1: "Stropping Machines" USP# 1515737, November 18, 1924Add to your cart.
Item 20.31.73.2: "Machines for Operating on Blades" USP# 1512889, October 21, 1924Add to your cart.
Item 20.31.73.3: "Inspecting Devices" USP# 1447176, March 6, 1923Add to your cart.
Folder MS20.31.74: Henry, Ferdinand -Add to your cart.
Item 20.31.74.1: "Machines for Polishing Razor Blades" USP# 1512688, October 21, 1924Add to your cart.
Item 20.31.74.2: "Blade Packaging Machines" USP# 1580247, April 13, 1926Add to your cart.
Item 20.31.74.3: "Machines for Tempering Razor Blades" USP# 1559095, October 27, 1925Add to your cart.
Item 20.31.74.4: "Machines for Sharpening Blades" USP# 1535665, April 28, 1925Add to your cart.
Folder MS20.31.75: McVey, George - "Pocket Knife" USP# 901253, October 13, 1908Add to your cart.
Folder MS20.31.76: Smith, Andrew - "Pocket Knives" USP# 1359760, November 23, 1920Add to your cart.
Sub-Series 4: Ice Skates & Roller SkatesAdd to your cart.
Folder MS20.31.77: Brown, Walter - "Tubular Ice Skates" USP# 1352113, September 7, 1920Add to your cart.
Folder MS20.31.78: Gravely, Julian - "Extension Roller Skates" USP# 1588676, June 15, 1926Add to your cart.
Folder MS20.31.79: Hansen, Frank & Hans - "Ball Bearing Wheel" USP# 856634, June 11, 1907Add to your cart.
Folder MS20.31.80: Hannum, Harry - "Roller Skate Wheels" USP# 1347777, July 27, 1920Add to your cart.
Folder MS20.31.81: Marshall, James -Add to your cart.
Item 20.31.81.1: "Roller Skates" USP# 2218209, October 15, 1940Add to your cart.
Item 20.31.81.2: "Rollers" USP# 2071080, February 16, 1937Add to your cart.
Item 20.31.81.3: "Roller Skates" USP# 1970612, August 21, 1934Add to your cart.
Item 20.31.81.4: "Skate Rolls" USP# 1813944, July 14, 1931Add to your cart.
Folder MS20.31.82: McLean, Robert - "Screw On Skates" USP# 1355680, October 12, 1920Add to your cart.
Folder MS20.31.83: Staples, Arthur -Add to your cart.
Item 20.31.83.1: "Roller Skates" USP# 1597213, August 24, 1926Add to your cart.
Item 20.31.83.2: "Roller Skates" USP# 1547531, July 28, 1925Add to your cart.
Item 20.31.83.3: "Skate Rolls" USP# 1532784, April 7, 1925Add to your cart.
Item 20.31.83.4: "Roller Skates" USP# 1521844, January 6, 1925Add to your cart.
Sub-Series 5: Laundry MachinesAdd to your cart.
Folder MS20.31.84: Dunham, George - Miscellaneous Patent Assignments for Laundry Machine Parts, 1924-1928Add to your cart.
Folder MS20.31.85: Mitchell, Albert - "Laundry Machine Clutches" USP# 1727933, September 10, 1929Add to your cart.
Folder MS20.31.86: Reama, George - "Laundry Machines" USP# 2039660; "Gearing for Laundry Machines" USP# 1957978; "Laundry Machines" USP# 2095370, May 5, 1936; May 8, 1934; October 12, 1937Add to your cart.
Box MS20.32Add to your cart.
Sub-Series 1: FlashlightsAdd to your cart.
Folder MS20.32.01: Alschuler, Ernest - "Electric Pocket Flash Lights" USP# 1187121, June 13, 1916Add to your cart.
Folder MS20.32.02: Baer, John - "Electric Hand Lanterns" USP# 2062113, November 24, 1936Add to your cart.
Folder MS20.32.03: Barany, Edmund - "Battery Boxes" USP# 1583517, May 4, 1926Add to your cart.
Folder MS20.32.04: Barany, Edmund & William Pritchard - "Flash Lights" USP# 1441822, January 9, 1923Add to your cart.
Folder MS20.32.05: Barany, Edmund & Leon Manson - "Flash Lights" USP# 1448352, March 13, 1923Add to your cart.
Folder MS20.32.06: Barany, Edmund - "Flash Lights" USP# 1448353, March 13, 1923Add to your cart.
Folder MS20.32.07: Barany, Edmund - "Flash Lights" USP# 1448354, March 13, 1923Add to your cart.
Folder MS20.32.08: Barany, Edmund - "Flash Lights" USP# 1460149, June 26, 1923Add to your cart.
Folder MS20.32.09: Barany, Edmund - "Flash Lights" USP# 1466350, August 28, 1923Add to your cart.
Folder MS20.32.10: Barany, Edmund - "Flash Lights" USP# 1511046, October 7, 1924Add to your cart.
Folder MS20.32.11: Barany, Edmund - "Flash Lights" USP# 1513211, October 28, 1924Add to your cart.
Folder MS20.32.12: Barany, Edmund - "Flash Light Bulb Supports" USP# 1490690, April 15, 1924Add to your cart.
Folder MS20.32.13: Barany, Edmund - "Lens Rings" USP# 1447405, March 6, 1923Add to your cart.
Folder MS20.32.14: Barany, Edmund - "Flash Light Battery Thrust Caps" USP# 1460150, June 26, 1923Add to your cart.
Folder MS20.32.15: Barany, Edmund - "Safety Switches" USP# 1531264, March 24, 1925Add to your cart.
Folder MS20.32.16: Barber, George & Goodrich Pratt - "Flash Lights" USP# 1995141, March 19, 1935Add to your cart.
Folder MS20.32.17: Barber, George & Goodrich Pratt - "Flashlights" USP# 2040423, May 12, 1936Add to your cart.
Folder MS20.32.18: Barber, George & Goodrich Pratt - "Flash Lights" USP# 1992140, February 19, 1935Add to your cart.
Folder MS20.32.19: Barber, George & Goodrich Pratt - "Vest Pocket Flash Lights" USP# 1969196, August 7, 1934Add to your cart.
Folder MS20.32.20: Barber, George & August Schuch - "Bottom Caps" USP# 1951317, March 13, 1934Add to your cart.
Folder MS20.32.21: Barber, George; Frank Stimson & Goodrich Pratt - "Flash Lights" USP# 1896605, February 7, 1933Add to your cart.
Folder MS20.32.22: George, Barber & August Schuch - "Flash Lights" USP# 1711667, May 7, 1929Add to your cart.
Folder MS20.32.23: Barber, George - "Flash Light Bottom Caps with Spare Bulb Carriers" USP# 1905787, April 25, 1933Add to your cart.
Folder MS20.32.24: Barber, George - "Flash Light Bottom Caps" USP# 1894147, January 10, 1933Add to your cart.
Folder MS20.32.25: Barber, George - "Flash Light Bottom Caps with Hangers" USP# 1863151, June 14, 1932Add to your cart.
Folder MS20.32.26: Barber, George - "Flash Lights" USP# 1870829, August 9, 1932Add to your cart.
Folder MS20.32.27: Barber, George - "A Combined Flash Light Cap and Hanger Ring" USP# 89421 (Design), March 7, 1933Add to your cart.
Folder MS20.32.28: Barber, George - "Centering Devices for Flash Lights" USP# 1605637, November 2, 1926Add to your cart.
Folder MS20.32.29: Barber, George - "An Electric Hand Lantern" USP# 91507 (Design), February 20, 1934Add to your cart.
Folder MS20.32.30: Beebe, Herbert - "Battery Hand Lamps" USP# 1688373, October 23, 1928Add to your cart.
Folder MS20.32.31: Block, Joseph - "Pistol Flash Lights" USP# 1098085, May 26, 1914Add to your cart.
Folder MS20.32.32: Block, Joseph - "Portable Electric Lights" USP# 971241, September 27, 1910Add to your cart.
Folder MS20.32.33: Block, Joseph - "Pistol Flash Lights" USP# 1118467, November 24, 1914Add to your cart.
Folder MS20.32.34: Boak, Thomas - "Methods of Making Battery Cans" USP# 2233578, March 4, 1941Add to your cart.
Folder MS20.32.35: Bohner, Clyde - "Hand Lamps" USP# 2326607, August 10, 1943Add to your cart.
Folder MS20.32.36: Britsch, Otto - "Flash Lights" USP# 1948613, February 27, 1934Add to your cart.
Folder MS20.32.37: Brody, Alexander - "Push and Pinch Contact Plugs for Flash Lights" USP# 1153420, September 14, 1915Add to your cart.
Folder MS20.32.38: Brown, James - "Flashlight" USP# 1805683, May 19, 1931Add to your cart.
Folder MS20.32.39: Fleckenstein, Clemens & Thomas Byrne - "Dry Cells" USP# 2025028, December 24, 1935Add to your cart.
Folder MS20.32.40: Forbes, Nathaniel - "Flash Light Batteries" USP# 1358717, November 16, 1920Add to your cart.
Folder MS20.32.41: Franz, Arvel; John Martinez & Morris Koppelman - "Flat Type Dry Batteries" USP# 2416576, February 25, 1947Add to your cart.
Folder MS20.32.42: Gallagher, George - "Battery Hand Lamps" USP# 1358839, November 16, 1920Add to your cart.
Folder MS20.32.43: Gallagher, George - "Battery Hand Lamps" USP# 1361846, December 14, 1920Add to your cart.
Folder MS20.32.44: Gallagher, George - "Handlamps" USP# 15549 (Reissue), February 20, 1923Add to your cart.
Folder MS20.32.45: Gallagher, George - "Handlamps" USP# 1527972, March 3, 1925Add to your cart.
Folder MS20.32.46: Gallagher, George - "Handlamp Switches" USP# 1396829, November 15, 1921Add to your cart.
Folder MS20.32.47: Gallagher, George - "Handlamp Switches" USP# 1396830, November 15, 1921Add to your cart.
Folder MS20.32.48: Gill, Edwin - "Portable Electric Lights" USP# 774749, November 15, 1904Add to your cart.
Folder MS20.32.49: Gill, Edwin - "Portable Electric Gas Lighter" USP# 761372, May 31, 1904Add to your cart.
Folder MS20.32.50: Gill, Edwin - "Portable Electric Lighting Apparatus" USP# 744530, November 17, 1903Add to your cart.
Folder MS20.32.51: Gravely, Julian - "Focusing Handlamps" USP# 1578512, March 30, 1926Add to your cart.
Folder MS20.32.52: Heinrich, Gustav - "Tubular Electric Pocket Lamps" USP# 1141634, June 1, 1915Add to your cart.
Folder MS20.32.53: Heinrich, Gustav & Jay Dunn - "Electric Batteries" USP# 1161668, November 23, 1915Add to your cart.
Folder MS20.32.54: Humeston, Frederick -Add to your cart.
Item 20.32.54.1: "Switches" USP# 2185849, January 2, 1940Add to your cart.
Item 20.32.54.2: "Handlamp Switches" USP# 1502567, July 22, 1924Add to your cart.
Item 20.32.54.3: "Handlamp Switches" USP# 1522244, January 6, 1925Add to your cart.
Item 20.32.54.4: "Hand Lamps" USP# 1659568, February 21, 1928Add to your cart.
Folder MS20.32.55: Humeston, Frederick -Add to your cart.
Item 20.32.55.1: "Flash Lights" USP# 1659569, February 21, 1928Add to your cart.
Item 20.32.55.2: "Battery Hand Lamps" USP# 1760410, May 27, 1930Add to your cart.
Item 20.32.55.3: "Flash Lights" USP# 1770522, July 15, 1930Add to your cart.
Item 20.32.55.4: "Combination Headlights and Hand Lamps" USP# 1996577, April 2, 1935Add to your cart.
Folder MS20.32.56: Hyman, Henry - "Pistol Flash Lights" USP# 1098628, June 2, 1914Add to your cart.
Folder MS20.32.57: Janovsky, Arnost - "Trench Flash Lights" USP# 1272808, July 16, 1918Add to your cart.
Folder MS20.32.58: Janovksy, Arnost - "Pocket Flash Lights" USP# 1263674, April 23, 1918Add to your cart.
Folder MS20.32.59: Jewett, Arthur - "Methods of Covering Dry Cell Cartridges and the Like" USP# 1555856, October 6, 1925Add to your cart.
Folder MS20.32.60: Kopp, Walter -Add to your cart.
Item 20.32.60.1: "Flashlights" USP# 2268878, January 6, 1942Add to your cart.
Item 20.32.60.2: "Flashlights" USP# 2235025, March 18, 1941Add to your cart.
Item 20.32.60.3: "Flashlights" USP# 2235024, March 18, 1941Add to your cart.
Item 20.32.60.4: "Flashlights" USP# 2156916, May 2, 1939Add to your cart.
Folder MS20.32.61: Kopp, Walter - "Hand Lamps" USP# 2273114; "Hand Lamps" USP# 153437, February 17, 1942Add to your cart.
Folder MS20.32.62: Kopp, Walter - "Hand Lamps" USP# 2285589; Kopp, Walter & David Emerson - "Hand Lamps" USP# 2283559, June 9, 1942; May 19, 1942Add to your cart.
Folder MS20.32.63: Kopp, Walter -Add to your cart.
Item 20.32.63.1: "Switches for Hand Lamps" USP# 2167117, July 25, 1939Add to your cart.
Item 20.32.63.2: "A Hand Lamp Switch" USP# 149951 (Design), June 15, 1948Add to your cart.
Item 20.32.63.3: "Hand Lamp Switches" USP# 2288808, July 7, 1942Add to your cart.
Item 20.32.63.4: "Flashlight Switches" USP# 2443539, June 15, 1948Add to your cart.
Folder MS20.32.64: Koppelman, Morris - "Dry Cell Closures" USP# 2434703; "Dry Cells" USP# 2243676, January 20, 1948; May 27, 1941Add to your cart.
Folder MS20.32.65: Kouwenhoven, William - "Electrical Battery and Bulb Testers" USP# 1380809, June 7, 1921Add to your cart.
Folder MS20.32.66: Lines, Clifford - "Dry Cells" USP# 2143245, January 10, 1939Add to your cart.
Folder MS20.32.67: Miller, Louis - "Hand Lamp Switches" USP# 1368278, February 15, 1921Add to your cart.
Folder MS20.32.68: Olanoff, Nathaniel - "A Flashlight Switch" USP# 100282 (Design), July 7, 1936Add to your cart.
Folder MS20.32.69: Paine, Arthur - "Handlamps" USP# 1499591; "Handlamps" USP# 1398736; "Ornamental Design for a Battery Hand Lamp" USP# 55571 (Design), July 1, 1924; November 29, 1921; June 29, 1920Add to your cart.
Folder MS20.32.70: Ponath, William - "Wall Lights" USP# 2052654, September 1, 1936Add to your cart.
Folder MS20.32.71: Pratt, Goodrich - "Flash Lights" USP# 1985459; "Flash Lights" USP# 1950190; "Flash Lights" USP# 1917060; "Flash Lights" USP# 1904902, December 25, 1934; March 6, 1934; July 4, 1933; April 18, 1933Add to your cart.
Folder MS20.32.72: Pratt, Goodrich - "Flash Light Switches" USP# 1869315; "Flash Light Safety Switches" USP# 1903940; "Flash Light Safety Switches" USP# 1886423; "Flashlight Safety Switches" USP# 1860842, July 26, 1932; April 18, 1933; November 8, 1932; May 31, 1932Add to your cart.
Folder MS20.32.73: Puckett, Paul - "Flash Light Containers" USP# 1772266; "Flash Lights" USP# 1731438, August 5, 1930; October 15, 1929Add to your cart.
Folder MS20.32.74: Reinhardt, Otto - "Bobbin Making Machines" USP# 1583312; "Battery Making Machines" USP# 1675382; "Container Making Machines" USP# 1715388; "Tamping Machines" USP# 1771419, May 4; July 3, 1928; June 4, 1929; July 29, 1930Add to your cart.
Folder MS20.32.75: Reinhardt, Otto - "Dry Cells" USP# 2158151; "Flashlight Construction" USP# 2184531; "Leakproof Dry Cells" USP# 2450813, May 16, 1939; December 26, 1939, October 5, 1948Add to your cart.
Folder MS20.32.76: Reinhardt, Otto -Add to your cart.
Item 20.32.76.1: "Automatic Polishing Machines" USP# 2062106, November 24, 1936Add to your cart.
Item 20.32.76.2: "Dry Cell Encasing Apparatus" USP# 2072568, March 2, 1937Add to your cart.
Item 20.32.76.3: "Bobbin Making Machines" USP# 1995131, March 19, 1935Add to your cart.
Item 20.32.76.4: "Electrolytic Cells" USP# 1990463, February 5, 1935Add to your cart.
Item 20.32.76.5: "Dry Cell Making Machinery" USP# 1965130, July 3, 1934Add to your cart.
Item 20.32.76.6: Reinhardt, Otto & William Baer - "Dry Cells" USP# 2062107, November 24, 1936Add to your cart.
Folder MS20.32.77: Sagerbrecht, Charles - "Portable Electric Flash Lights" USP# 1155100; "Portable Electric Flash Lights" USP# 1122425; "Portable Electric Flash Lights" USP# 1122424, September 28, 1915; December 29, 1914;December 29, 1914Add to your cart.
Folder MS20.32.78: Sagerbrecht, Charles - "Portable Electric Flash Lights" USP# 1187555; "Casings for Portable Electric Flash Lights" USP# 1187103; "Electric Pocket Flash Lights" USP# 1187104; "Electric Pocket Flash LIghts" USP# 1187105, June 20, 1916; June 13, 1916;Add to your cart.
Folder MS20.32.79: Sokolow, Samuel - "Automatic Dry Cell Making Machinery" USP# 1933350, October 31, 1933Add to your cart.
Folder MS20.32.80: Spiers, Frederick - "Hand Lamp Switches" USP# 1344735; "Battery Hand Lamps" USP# 1361920, June 29, 1920; December 14, 1920Add to your cart.
Box MS20.33Add to your cart.
Sub-Series 1: FlashlightsAdd to your cart.
Folder MS20.33.01: Staples, Arthur -Add to your cart.
Item 20.33.01.1: "Handlamp Switches" USP# 1498331, June 17, 1924Add to your cart.
Item 20.33.01.2: "Handlamp Switches" USP# 1498330, June 17, 1924Add to your cart.
Item 20.33.01.3: "Handlamp Switches" USP# 1349860, August 17, 1920Add to your cart.
Item 20.33.01.4: "Handlamp Switches" USP# 1498761, June 24, 1924Add to your cart.
Item 20.33.01.5: "Handlamps" USP# 1498332, June 17, 1924Add to your cart.
Folder MS20.33.02: Staples, Henry - "Bulb Holders for Flash Lights" USP# 1771002; "Battery Hand Lamps" USP# 1688560; "Battery Hand Lamps" USP# 1664905, July 22, 1930; October 23, 1928; April 3, 1928Add to your cart.
Folder MS20.33.03: Stimson, Frank - "A Battery Handlamp" USP# 67934 (Design); "Extra Bulb Carriers" USP# 1680484, August 4, 1925; August 14, 1928Add to your cart.
Folder MS20.33.04: Stimson, Frank -Add to your cart.
Item 20.33.04.1: "Flash Light Switches" USP# 1888204, November 15, 1932Add to your cart.
Item 20.33.04.2: "Flash Light Safety Switches" USP# 1903947, April 18, 1933Add to your cart.
Item 20.33.04.3: "Flashlights" USP# 2080583, May 18, 1937Add to your cart.
Item 20.33.04.4: "Flash Lights" USP# 1990504, February 12, 1935Add to your cart.
Item 20.33.04.5: "Insulated Flash Lights" USP# 1934214, November 7, 1933Add to your cart.
Folder MS20.33.05: Stock, John - "Electric Pocket Lamps" USP# 1158081, October 26, 1915Add to your cart.
Folder MS20.33.06: Tauber, Bernard - "Electric Switches for Portable Electric Lights" USP# 1132750; "Portable Electric Lights" USP# 1132751; "Electric Switches for Portable Electric Lights" USP# 1132751, March 23, 1915; March 23, 1915; June 20, 1916Add to your cart.
Folder MS20.33.07: Van Sickles, Raymond - "Hand Lamps" USP# 1987169, January 8, 1935Add to your cart.
Folder MS20.33.08: Upton, Austin & Charles Wachtel -Add to your cart.
Item 20.33.08.1: Upton, Austin - "Methods for Producing Tin Coated Copper Tubes" USP# 2358892, September 26, 1944Add to your cart.
Item 20.33.08.2: Wachtel, Charles - "Portable Electric Lights" USP# 1187574, June 20, 1916Add to your cart.
Item 20.33.08.3: Wachtel, Charles - "Portable Electric Lights" USP# 1122446, December 29, 1914Add to your cart.
Item 20.33.08.4: Wachtel, Charles - "Portable Electric Lights" USP# 1206274, November 28, 1916Add to your cart.
Item 20.33.08.5: Wachtel, Charles - "Portable Electric Lights" USP# 1206275, November 28, 1916Add to your cart.
Folder MS20.33.09: Younkman, George - "Storage Batteries" USP# 1990445, February 5, 1935Add to your cart.
Folder MS20.33.10: Zerner, Max & Otto Reinhardt - "Dry Batteries" USP# 1734457, November 5, 1929Add to your cart.
Sub-Series 2: Miscellaneous PatentsAdd to your cart.
Folder MS20.33.11: Blais, Emilien - "Composite Soldered Heat Exchanges" USP# 2313315, March 9, 1943Add to your cart.
Folder MS20.33.12: Blais, Emilien - "Heat Exchangers" USP# 2270864, January 27, 1942Add to your cart.
Folder MS20.33.13: Blais, Emilien - "Sectional Heat Exchanges" USP# 2327491, August 24, 1943Add to your cart.
Folder MS20.33.14: Blais, Emilien - "Apparatus for Shaping Tubes" USP# 2375763, May 15, 1945Add to your cart.
Folder MS20.33.15: Blair, Emile - "Oil Temperature Regulators" USP# 2071106, February 16, 1937Add to your cart.
Folder MS20.33.16: Bowne, Raymond - "Means for Indenting Radiator Tubes" USP# 1596393, August 17, 1926Add to your cart.
Folder MS20.33.17: Bowne, Raymond - "Radiator Tubes" USP# 1713020, May 14, 1929Add to your cart.
Folder MS20.33.18: Bullard, Edwin - "Brace Heads" USP# 1713020, May 14, 1929Add to your cart.
Folder MS20.33.19: Bullard, Edwin - "Ratchet Mechanisms" USP# 1388927, August 30, 1921Add to your cart.
Folder MS20.33.20: Bullard, Edwin - "Ratchet Mechanisms" USP# 1388929, August 30, 1921Add to your cart.
Folder MS20.33.21: Bullard, Edwin - "Ratchet Mechanisms" USP# 1388926, August 30, 1921Add to your cart.
Folder MS20.33.22: Bullard, Edwin - "Bit Brace Handles" USP# 1388925, August 30, 1921Add to your cart.
Folder MS20.33.23: Bullard, Edwin - "Bit Brace Handles" USP# 1388924, August 30, 1921Add to your cart.
Folder MS20.33.24: Bullard, Edwin - "Ratchet Mechanisms" USP# 1388923, August 30, 1921Add to your cart.
Folder MS20.33.25: Bullard, Edwin - "Brace Heads" USP# 1388922, August 30, 1921Add to your cart.
Folder MS20.33.26: Bullard, Edwin - "Brace Heads" USP# 1388921, August 30, 1921Add to your cart.
Folder MS20.33.27: Bullard, Edwin - "Bit Braces" USP# 1388920, August 30, 1921Add to your cart.
Folder MS20.33.28: Bullard, Edwin - "Ratchet Mechanisms" USP# 1388919, August 30, 1921Add to your cart.
Folder MS20.33.29: Bullard, Edwin - "Chucks" USP# 1368889, February 15, 1921Add to your cart.
Folder MS20.33.30: Bullard, Edwin - "Wrenches" USP# 1367297, February 1, 1921Add to your cart.
Folder MS20.33.31: Corn, William - "Web Spreading Devices" USP# 2486121, October 25, 1949Add to your cart.
Folder MS20.33.32: Denton, Jess - "Means & Method for Improving the Quality of Paper" USP# 2319800, May 25, 1943Add to your cart.
Folder MS20.33.33: Feldman, Soldon & Fredrick Olsen - "The Treatment of Woody Material" USP# 2228349, January 14, 1941Add to your cart.
Folder MS20.33.34: Flory, Ernest - "Radiators & Methods of Making the Same" USP# 1540390, June 2, 1925Add to your cart.
Folder MS20.33.35: Foisey, George - "Testing Apparatus" USP# 2077383, April 20, 1937Add to your cart.
Folder MS20.33.36: Foisey, George - "Testing Apparatus" USP# 2042174, May 26, 1936Add to your cart.
Folder MS20.33.37: Foisey, George - "Machines for Making Tubes & Similar Articles" USP# 1641222, September 6, 1927Add to your cart.
Folder MS20.33.38: Foisey, George - "Heat-Interchanging Apparatus" USP# 1624487, April 12, 1927Add to your cart.
Folder MS20.33.39: Foisey, George - "Methods & Apparatus for Making Tubes & Similar Articles" USP# 1605535, November 2, 1926Add to your cart.
Folder MS20.33.40: Foisey, George - "Methods & Apparatus for Testing Tubes & Other Hollow Articles" USP# 1536090, May 5, 1925Add to your cart.
Folder MS20.33.41: Foisey, George - "Mechanism for Indenting Radiator Tubes" USP# 1514589, November 4, 1924Add to your cart.
Folder MS20.33.42: Foster, Harry - "Indexing Mechanism" USP# 2404369, July 23, 1946Add to your cart.
Folder MS20.33.43: Franz, Arvel - "The Manufacture of Chemical Compounds" USP# 2403068, July 2, 1946Add to your cart.
Folder MS20.33.44: Goepfert, Otto Frederick - "Belt Sizing Compositions and Methods" USP# 2346674; "Cigarette Paper Booklets" USP# 2400301; "Machines for Applying Fasteners to Paper Booklets" USP# 2390096, April 18, 1944; May 14, 1946; December 4, 1945Add to your cart.
Folder MS20.33.45: Goepfert, Otto Frederick - "Belt Processing Machine" USP# 2392817; "Feed Control Devices" USP# 2402037; "Braiding Machines" USP# 2444436, January 15, 1946; June 11, 1946; July 6, 1948Add to your cart.
Folder MS20.33.46: Gravely, Julian - "Processes of Purifying Manganese Dioxide" USP# 1323690, December 2, 1919Add to your cart.
Folder MS20.33.47: Gravely, Julian - "Chinese Wood Oil Adhesive Pastes" USP# 1331192, February 17, 1920Add to your cart.
Folder MS20.33.48: Gresham, William - "Control Mechanism" USP# 2152800, April 4, 1939Add to your cart.
Folder MS20.33.49: Hammond, Charles - "Alloys" USP# 1868898, July 26, 1932Add to your cart.
Folder MS20.33.50: Happ, Edwin - "Electrical Systems for Rotor Blade Control in Paper Making Machine" USP# 2417796, March 18, 1947Add to your cart.
Folder MS20.33.51: Harris, Lloyd - "Means for Gluing" USP# 2387261, October 23, 1945Add to your cart.
Folder MS20.33.52: Haswell, Henry - "Web Tensioning & Pressure Mechanism" USP# 2460694, February 1, 1949Add to your cart.
Folder MS20.33.53: Hemmingway, Horace - "Two Part Self-Locking Rivets for Tool Handles" USP# 1339198; "Two Part Self-Locking Rivets" USP# 1339197, May 4, 1920; May 4, 1920Add to your cart.
Folder MS20.33.54: Heygel, Paul - "Compressed Laminated Machine Rolls" USP# 2452755; "Combination Ribbing and Slitting Machines" USP# 2414739; "Indicating Devices" USP# 2370165; "Cigarette Paper Book Making Machines" USP# 2072815, November 2, 1948; January 21, 1947; February 27, 1945; March 2, 1937Add to your cart.
Folder MS20.33.55: Jermain, Herbert - "Processes of Coloring Iron or Steel Articles" USP# 1342910, June 8, 1920Add to your cart.
Folder MS20.33.56: Jones, Delbert - "The Manufacture of Trinitroresorcin" USP# 2301912, November 10, 1942Add to your cart.
Folder MS20.33.57: Jones, Edwin - "Process of Making Paper Pulp" USP# 2161763; Chlorinating Barrels" USP# 2210457; "Methods of Manufacturing Paper Pulp" USP# 2099399; "The Preparation of Paper Pulp" USP# 2099400, June 6, 1939; August 6, 1940; November 16, 1937; November 16, 1937Add to your cart.
Folder MS20.33.58: Kaiser, Karl - "Decorticating Apparatus" USP# 2399809; "Decorticating Apparatus" USP# 2402634, May 7, 1946; June 25, 1946Add to your cart.
Folder MS20.33.59: Kelley, George - "Heat-Interchange Apparatus" USP# 1673409, June 12, 1928Add to your cart.
Folder MS20.33.60: Kelley, George - "Heat Interchangers" USP# 1840510, January 12, 1932Add to your cart.
Folder MS20.33.61: Lamb, Charles - "Machines for Forming Auger Bits" USP# 1653808, December 27, 1927Add to your cart.
Folder MS20.33.62: Leszczyk, Frank - "Heat Exchangers" USP# 1743785, January 14, 1930Add to your cart.
Folder MS20.33.63: Levy, Robert - "Sampling Devices" USP# 2459383, January 18, 1949Add to your cart.
Folder MS20.33.64: Levy, Robert & James E. Brennan - "Catalylic Bleaching Processes" USP# 2480148; "Catalytic Bleaching With Chlorites" USP# 23218 (Reissue), August 13, 1949; April 11, 1950Add to your cart.
Folder MS20.33.65: Liddell, John - "Machines for Rolling Paper Tubes" USP# 452141, May 12, 1891Add to your cart.
Folder MS20.33.66: Matthews, Robinson & Floyd Hensley - "Rewinding Machines" USP# 2376879, May 29, 1945Add to your cart.
Folder MS20.33.67: Merriman, Thurston - "Process of Surface Coloring Articles of Copper Alloy" USP# 1327401; "Surface Colored Articles of Copper Alloy" USP# 1327400, January 6, 1920; January 6, 1920Add to your cart.
Folder MS20.33.68: Morrison, Simon - "Improvement in Rotary Lipstick Holders" USP# 2309000, November 1, 1949Add to your cart.
Folder MS20.33.69: Pleines, Henry - "Apparatus for Producing Slugs of Extruded Material" USP# 2063119, December 8, 1936Add to your cart.
Folder MS20.33.70: Robinson, William - "Metal Tubes and Methods of Making Same" USP# 1715099, May 28, 1929Add to your cart.
Folder MS20.33.71: Scott, Edward - "Folding Paper Cartons" USP# 1354344, September 28, 1920Add to your cart.
Folder MS20.33.72: Sherman, Harry - "Signal Torches" USP# 2073530, March 9, 1937Add to your cart.
Folder MS20.33.73: Sherman, Harry - "Railway Torpedos" USP# 2207207, July 9, 1940Add to your cart.
Folder MS20.33.74: Shugg, Walter - "For A Label" USP# 52812 (Design), December 24, 1918Add to your cart.
Folder MS20.33.75: Smith, Phillip - "Apparatus for Heating Tubular Members" USP# 2182364, December 5, 1939Add to your cart.
Folder MS20.33.76: Straus, Harry - "Cigarette Paper Booklets" USP# 2351643; "Cigarette Paper Booklets" USP# 2087786, June 20, 1944; July 20, 1937Add to your cart.
Folder MS20.33.77: Terstyansky, Albert - "Burglar Alarms" USP# 1342104, June 1, 1920Add to your cart.
Folder MS20.33.78: Towne, Walter - "Processes for Working Zinc" USP# 1686353; "Apparatus for Heating and Feeding Blanks" USP# 1561957, October 2, 1928; November 17, 1925Add to your cart.
Folder MS20.33.79: Whitney, Harry - "Tube Cutting Machine" USP# 460317; "Machines for Rolling Paper Tubes" USP# 405138, September 29, 1891; June 11, 1899Add to your cart.
Folder MS20.33.80: Wilkinson, John - "Manufacture of Styphnic Acid" USP# 2246963, June 24, 1941Add to your cart.
Folder MS20.33.81: Group of U.S. Patents, Firearm Related, Various DatesAdd to your cart.
Folder MS20.33.82: Miscellaneous Patent AssignmentsAdd to your cart.

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[Series 1: World War I, 1914 - 1923],
[Series 2: World War II, 1932 - 1954],
[Series 3: Tom Hall Winchester Files, 1970-1979],
[Series 4: Winchester Subject Files, 1900 - 1980],
[Series 5: Miscellaneous Correspondence, 1876 - 1958],
[Series 6: Winchester History, Advertisements, Press Releases, and Books],
[Series 7: Domestic Catalogs, 1884 - 1999],
[Series 8: Foreign Catalogs, 1898 - 1959],
[Series 9: Polishing Shop Record Books - Serial Number Application Ledgers, 1877 - 1953, 1980],
[Series 10: Various Winchester Historical Material, 1907 - 1956],
[Series 11: P-14 Enfield, 1914 - 1918],
[Series 12: Patents, 1872 - 1949],
[Series 13: Winchester Litigation Records, 1871 - 1951],
[Series 14: Manufacturing Techniques],
[Series 15: Winchester Gun Museum Records],
[Series 16: Bound Volumes, 1919 - 1958],
[Series 17: Photographs],
[Series 18: Addition],
[Series 20: Addition 2015, 1950-2001, 2015],
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