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All Patents in class 81/90.9
Patents 1 - 15 of 31
First set of recordsNext set of recordsLast set of records
126,506May 07, 1872W.C. WesterfieldImprovement in Pipe-Wrenchespipe wrenches
151,639Jun. 02, 1874J.B. WestwickPipe Wrenchespipe tongs
159,234Jan. 26, 1875J.B. WestwickCombined Pipe-Tongs and Wrenchpipe tongs
172,365Jan. 18, 1876A.F. Gates, E.H. AdamsPipe-Wrenchself-adjust wrenches
291,266Jan. 01, 1884N.W. Vandegrift, F. ArmstrongPipe Wrenchpipe wrenches
327,559Oct. 06, 1885A. LangstromWrenchwrench jaw components
328,601Oct. 20, 1885G.F. NewellPipe Wrenchalligator wrenches
354,718Dec. 21, 1886F.C. Sawhill, T.D. McCartyPipe Wrenchpipe wrenches
419,854Jan. 21, 1890D.J. HerseyPipe Wrenchpipe wrenches
429,719Jun. 10, 1890C.C. ColemanPipe Wrenchpipe wrenches
441,188Nov. 25, 1890W.E. MurbargerPipe Wrenchpipe wrenches
463,784Nov. 24, 1891G.H. BuzzellPipe Wrenchpipe wrenches
487,331Dec. 06, 1892J.W. KellamAdjustable Flange Wrenchflange wrenches
494,310Mar. 28, 1893J. WenningCombined Pipe Wrench, Monkey Wrench and Flange Holderpipe and nut combination wrenches
RE11,394Dec. 05, 1893J.W. KellamAdjustable Flange Wrenchflange wrenches
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