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All Patents in class 279/24
Patents 1 - 11 of 11
First set of recordsLast set of records
204,812Jun. 11, 1878R.S. GladdingImprovement in Screw-Driversscrewdriver blades
641,122Jan. 09, 1900H.O. KruschkeScythe Wrenchauxiliary wrenches
659,523Oct. 09, 1900Z.T. FurbishScrewdriver, &c., Handlescrewdriver handles
717,199Dec. 30, 1902G.H. HollmTapping Fixture
750,182Jan. 19, 1904Z.T. FurbishReversible Screw-Driverscrewdriver mechanisms
873,977Dec. 17, 1907J.J. AlbrechtRatchet Wrenchratchet wrenches
902,387Oct. 27, 1908T.J. FegleyDetachable-blade screw-driverscrewdrivers
1,080,560Dec. 09, 1913P.E. JohansonUniversal Tool Holderscrewdriver blades
1,428,840Sep. 12, 1922W.H. GatesCombination Socket Wrenchratchet wrenches
1,917,531Jul. 11, 1933J.F. LincolnElectric Arc Welding Apparatuswelders
2,158,728May 16, 1939F.W. PetersTool Handlescrewdriver handles
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