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All Patents in class 81/91.2
Patents 1 - 15 of 32
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NumberDatePatenteeTitleType
126,506May 07, 1872W.C. WesterfieldImprovement in Pipe-Wrenchespipe wrenches
185,078Dec. 05, 1876D.B. CookPipe-Wrenchpipe tongs
200,175Feb. 12, 1878C.C. ColemanPipe-Wrenchself-adjust wrenches
320,872Jun. 23, 1885J.F. Guthrie, Jr.Pipe Wrenchpipe wrenches
346,299Jul. 27, 1886F.C. Sawhill, T.D. McCartyImprovements in Pipe-Tongspipe tongs
359,197Mar. 08, 1887I. AndersonPipe Wrenchpipe wrenches
416,792Dec. 10, 1889J.A. MaloneyPipe Wrenchpipe wrenches
441,020Nov. 18, 1890A.A. PeterkinPipe Wrenchchain and strap wrenches
444,255Jan. 06, 1891G.F. ShawPipe Wrenchself-adjust wrenches
450,972Apr. 21, 1891T. NewmanPipe Wrenchpipe wrenches
491,850Feb. 14, 1893G.W. MorrillPipe Wrenchself-adjust wrenches
498,638May 30, 1893G. EnglundTool For Turning Pipes, Car Axles, Etc.pipe tongs
516,249Mar. 13, 1894C.H. WeaverPipe Wrenchpipe wrenches
563,519Jul. 07, 1896R.J. ThompsonCombined Pipe and Nut Wrenchself-adjust wrenches
590,562Sep. 28, 1897T.J. BakerPipe or Rod Wrenchpipe wrenches
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