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All Patents in class 81/57
Patents 1 - 10 of 10
First set of recordsLast set of records
322,937Jul. 28, 1885E.M. HungerfordImprovement in Rotary and Stationary Wrencheswrenches
429,075May 27, 1890W. WellsImprovement in Wrenches For Fish-Plate Boltssocket wrenches
542,317Jul. 09, 1895W.J. SheaWrenchwrenches
703,898Jul. 01, 1902J.C. DavisonWrenchquick adjust wrenches
858,894Jul. 02, 1907A.L. MossWrenchratchet wrenches
1,684,633Sep. 18, 1928A. LevedahlScrew or nut driving device for portable power-driven rotary toolshandheld power tools
1,827,269Oct. 13, 1931G.E. SmithTool driving apparatushandheld power tools
1,970,721Aug. 21, 1934A. WaltonRachet Wrenchauxiliary levers on wrenches
5,142,952Sep. 01, 1992K.C. Happ, M.S. Scolaro, G.A. PutneyRatchet Tool
5,231,901Aug. 03, 1993M.S. Scolaro, G.A. PutneyRatchet Tool
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