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All Patents in class 81/96
Patents 1 - 9 of 9
First set of recordsLast set of records
171,982Jan. 11, 1876J. BrowningImprovement in Pipe Tongs or Wrenchesself-adjust wrenches
482,245Sep. 06, 1892J.E. Wright, J.H. GuileyWrenchpipe wrenches
589,312Aug. 31, 1897L.A. SmithWrenchself-adjust wrenches
594,775Nov. 30, 1897J. BrowningPipe Wrenchpipe wrenches
640,005Dec. 26, 1899C.R. Swett, H.W. LibbyWrenchpipe wrenches
710,179Sep. 30, 1902J.T. BurrWrenchpipe wrenches
749,544Jan. 12, 1904W.H. ErmentroutWrenchpipe wrenches
870,781Nov. 12, 1907G. HecklingCRAFT roller-jaw pipe wrenchpipe wrenches
1,593,588Jul. 27, 1926F. MooreWrenchpipe wrenches
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