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All Patents of Type: screwdriver mechanisms
Patents 1 - 15 of 206
First set of recordsNext set of recordsLast set of records
19,162Jan. 19, 1858G.H. TalbotRatchet Movement for Screw Driversratcheting screwdrivers
20,619Jun. 22, 1858O. BondHandle for Screw-Driversratcheting screwdrivers
57,107Aug. 14, 1866C. EversolImproved Screw Driverratcheting screwdrivers
59,757Nov. 20, 1866C.W. BiorenDouble-Ratchet Tool-Handleratcheting screwdrivers
70,923Nov. 12, 1867T.D. VorheesImprovement in Screw-Driversscrewdriver mechanisms
80,583Aug. 04, 1868I. AllardImprovement in screw-driversspiral screwdrivers
80,622Aug. 04, 1868W.S. GossImprovement in Screw-Driversratcheting screwdrivers
91,634Jun. 22, 1869W. HoferImprovement in screw-driverspiral screwdrivers
112,143Feb. 28, 1871H.L. HildrethImprovement in Screw Driversratcheting screwdrivers
126,716May 14, 1872J.A. KingImprovement in Screw-Driversratcheting screwdrivers
128,950Jul. 16, 1872G.J. CapewellDevices for Attaching Buttons To Garmentsspiral screwdrivers
133,994Dec. 17, 1872T.D. LakinImprovement in converting motionspiral screwdrivers
147,059Feb. 03, 1874G.P. LoomisImprovement in Screw Driversratcheting screwdrivers
149,587Apr. 14, 1874W.S. KyleImprovement in Screwdriversratcheting screwdrivers
157,087Nov. 24, 1874I. AllardImprovement in screw-driversscrewdrivers
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