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All Patents in class 81/DIG.4
Patents 1 - 15 of 26
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NumberDatePatenteeTitleType
132,057Oct. 08, 1872O.W. Cutler, T. CooperImprovement in Adjustable Slide-Wrenchesquick adjust wrenches
133,422Nov. 26, 1872F.L. DelferWrenchesquick adjust wrenches
186,925Feb. 06, 1877W. DicksImprovements in Adjustable-Grasp Wrenchesquick adjust wrenches
198,264Dec. 18, 1877E.T. BarlowScrew-Wrenchscrew adjust wrenches
296,942Apr. 15, 1884J. Du ShaneWrenchscrew adjust wrenches
308,561Nov. 25, 1884J. HoulehanWrenchquick adjust wrenches
331,974Dec. 08, 1885C. KabischImprovement in Sliding-Jaw Wrenchesquick adjust wrenches
355,641Jan. 04, 1887E.E. Scates, C.D. CuttsWrenchquick adjust wrenches
395,595Jan. 01, 1889A.K. SpauldingImprovements in Sliding-Jaw Ratchet Wrenchesquick adjust wrenches
421,688Feb. 18, 1890T.W. FisherPipe Wrenchpipe wrenches
449,129Mar. 31, 1891V.J. McDonnellMonkey Wrenchquick adjust wrenches
512,007Jan. 02, 1894F.A. CarrithersNut-Wrenchnut wrenches
513,354Jan. 23, 1894E.C. WellsMonkey Wrenchquick adjust wrenches
589,681Sep. 07, 1897H. AlthoffWrenchquick adjust wrenches
617,369Jan. 10, 1899G.R. Van Schoick, F.W. StewartWrenchquick adjust wrenches
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