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All Patents in class 81/396
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
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
1,246,000Nov. 06, 1917R.B. FergusonWrenchscrew adjust wrenches
1,301,674Apr. 22, 1919R.B. FergusonWrenchscrew 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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