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All Patents in class 81/182
Patents 46 - 58 of 58
First set of recordsPrevious set of recordsLast set of records
638,759Dec. 12, 1899G.W. PrinzingCombination Toolpipe and nut combination wrenches
639,162Dec. 12, 1899R. FjellmanPipe Wrenchpipe wrenches
647,685Apr. 17, 1900J. StewartCombined Pipe Wrench and Cutterpipe wrenches
667,143Jan. 29, 1901E.E. TryonCombined Wrench and Cutterwrench combination tools
703,741Jul. 01, 1902G.E. RothenbucherCombination Wrenchpipe wrenches
721,660Mar. 03, 1903C.S. BonneyPipe Wrench and Cutterpipe and nut combination wrenches
767,199Aug. 09, 1904J.G. BakerImproved Combination Wrench With Pipe-Cutting Attachmentpipe and nut combination wrenches
799,539Sep. 12, 1905H.A. CorwinCombination Wrenchpipe and nut combination wrenches
951,367Mar. 08, 1910W. DuCharmeCombination Toolwrench combination tools
1,224,801May 01, 1917E. SprungStud Extractor and Tightenerstud extractors
1,294,715Feb. 18, 1919E.H. SchultzCombination Wrenchpipe and nut combination wrenches
1,807,625Jun. 02, 1931H.J. HjorthValve Wrenchwrenches
5,005,449Apr. 09, 1991D.L. Gatzemeyer, J.A. SorensenHand Tool or Improved Bar Clampclamps
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