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All Patents in class 81/57.3
Patents 1 - 15 of 17
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
87,531Mar. 02, 1869D. WilcoxLightning Reverse Felly Wrenchtire bolt wrenches
141,259Jul. 29, 1873M. BubserImprovement in Wrench for Fish-Plate Boltswrenches
173,467Feb. 15, 1876W. HillImproved Gear-Wrenchtire bolt wrenches
189,352Apr. 10, 1877J.J. FoxWrenchtire bolt wrenches
283,696Aug. 21, 1883J.J. BrandtWrenchtire bolt wrenches
322,937Jul. 28, 1885E.M. HungerfordImprovement in Rotary and Stationary Wrencheswrenches
597,592Jan. 18, 1898J. RosendahlCombined Wrench and Nippersratchet wrenches
1,121,668Dec. 22, 1914D. Gochenauer, N. RuskWrenchratchet wrenches
1,346,505Jul. 13, 1920R. MitchellSocket Wrenchbraces
1,385,214Jul. 19, 1921A.C. KlopperGear Drive Socket Wrenchsocket wrenches
1,420,635Jun. 27, 1922A.C. KlopperWrenchsocket wrenches
1,423,142Jul. 18, 1922R.H. OwensWrenchautomotive specialty wrenches
1,578,331Mar. 30, 1926R.D. LitwillerThrashing Machine Cylinder Wrenchcylinder tooth wrenches
1,679,155Jul. 31, 1928E.L. ConnellPower hand tool
1,970,721Aug. 21, 1934A. WaltonRachet Wrenchauxiliary levers on wrenches
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