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All Patents in class 81/396
Patents 1 - 7 of 7
First set of recordsLast set of records
166,428Aug. 03, 1875H.C. StoufferImprovement in Pipe-Wrenchesscrew adjust wrenches
222,484Dec. 09, 1879D.P. FosterImprovement in Pipe-Wrenchespipe wrenches
538,166Apr. 23, 1895J.A. HuntWrenchscrew adjust wrenches
1,429,517Sep. 19, 1922J. McGheeCombined Pipe and Nut Wrenchpipe and nut combination wrenches
2,420,020May 06, 1947F.A. SnellLever-Actuated Pivoted-Jaw Wrenchlocking pliers
2,444,135Jun. 29, 1948W.C. KressWorm Joint Pliers or Wrenchpliers
4,091,696May 30, 1978U. WahlbergPlierspliers
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