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All Patents of Type: screwdriver mechanisms
Patents 1 - 15 of 43
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NumberDatePatenteeTitleType
8,174XApr. 29, 1834C. BabbittStock screw drillhand drills
70,923Nov. 12, 1867T.D. VorheesImprovement in Screw-Driversscrewdriver mechanisms
219,425Sep. 09, 1879G. AbramsImprovement in Crank Screw-Driversscrewdriver mechanisms
285,484Sep. 25, 1883M.C. HenleyScrew-driverscrewdriver mechanisms
287,809Nov. 06, 1883W. DevereuxScrew-Driverscrewdriver mechanisms
290,218Dec. 18, 1883C.W. DrakeScrew holding screwdriverscrewdriver mechanisms
320,920Jun. 30, 1885N.W. FarrandScrew-Driverscrewdriver mechanisms
366,439Jul. 12, 1887T. TroyReversible Screw Driverscrewdriver mechanisms
470,777Mar. 15, 1892C.E. BillingsMultiblade Screwdriverscrewdriver mechanisms
470,778Mar. 15, 1892L.H. BoydenAttachment for Screwdriversscrewdriver mechanisms
486,395Nov. 15, 1892W.M. CarrScrew Driverscrewdriver mechanisms
491,687Feb. 14, 1893J.R. QuimbyAttachment for Screwdriverscrewdriver mechanisms
537,246Apr. 09, 1895A.B. Stonepocket screwdriverscrewdriver mechanisms
687,401Nov. 26, 1901C.M. MorseScrew-Driverscrewdriver handles
701,195May 27, 1902Z.T. FurbishMeans of Securing Handles or Rests to Toolsscrewdriver handles
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