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All Patents of Type: screwdrivers
Patents 1 - 15 of 134
First set of recordsNext set of recordsLast set of records
9,457Dec. 07, 1852J.W. SwitzerScrewdriverscrewdrivers
18,206Sep. 15, 1857D.A. LamsonCombination Tool for Mechanics and Otherscombination tools
35,337May 20, 1862J. ThompsonScrew Driverscrewdrivers
35,715Jun. 24, 1862J.A. ThayerCombination Toolcombination tools
37,920Mar. 17, 1863T.J. PennyImproved Combined Wrench, Scraper and Screwdriverwrench combination tools
43,398Jul. 05, 1864G.H. GardnerImproved Pocket Knifecombination tools
47,102Apr. 04, 1865D.F. HartfordScrewdriver and Tweezersclockmaker
56,191Jul. 10, 1866C.G. Dodge, Jr.Combined Hammer and Screw-Drivercombination tools
56,423Jul. 17, 1866T.C. LawCombined Stove Hook, Hammer, etc.combination tools
60,482Dec. 18, 1866D.T. CrockettHammercombination tools
66,739Jul. 16, 1867J. RichardsImproved Implement for Wagonerscombination tools
72,463Dec. 24, 1867O. DeanImprovement in Screwdriversscrewdrivers
79,346Jun. 30, 1868W.W. Coggshall, P.C. HavelyImprovement in Hammershammers
81,970Sep. 08, 1868E.J. AmorCombined Screw-Driver and Wrenchscrewdrivers
84,142Nov. 17, 1868W.S. SmootImproved Form of Combined Claw-Hammer, Wrench and Screw-Drivercombination tools
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