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All Patents in class 81/180.1
Patents 1 - 15 of 65
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NumberDatePatenteeTitleType
30,579Nov. 06, 1860W. KearneyImprovements in Wrenches for Pipes and Stud-Boltspipe wrenches
62,062Feb. 12, 1867J. PeacePipe Tongs and Cutterpipe tongs
76,519Apr. 07, 1868A.S. PetrieImprovement inWrenchesnut wrenches
85,273Dec. 29, 1868J. BurtWrenchnut holders on wrenches
85,276Dec. 29, 1868J. BurtImprovement in Wrencheswrench jaw components
107,425Sep. 13, 1870H. TregallasImprovement in Wrenchespipe and nut combination wrenches
107,539Sep. 20, 1870F.P. RandImprovement in Wrenchesangle adjustable wrenches
127,902Jun. 11, 1872H.R. LeonardImprovement in Balance or Indicator Wrenchtorque wrenches
132,058Oct. 08, 1872D. Cumming, Jr.Improvement in Attachment for Wrencheswrench handle components
168,852Oct. 19, 1875W.K. StevensImprovement in Pipe-Wrenchespipe wrenches
186,575Jan. 23, 1877S.N. JessopPipe-Tongspipe tongs
199,539Jan. 22, 1878G.A. HarbaughPipe-Tongspipe tongs
200,971Mar. 05, 1878A.E. Warren, A. BerdanWrench for Taking Off and Holding Burrs of Carriages, etc.axle nut wrenches
207,500Aug. 27, 1878P. CampbellCombined Wrench and Tool for Locking Nuts in Position Upon Boltsnut wrenches
227,768May 18, 1880G.W. GriffithsPipe-Wrenchalligator wrenches
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