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All Patents in class 81/98
Patents 1 - 15 of 88
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NumberDatePatenteeTitleType
6,077Jan. 30, 1849A. HayImproved Hinged Claw-Wrenchself-adjust wrenches
26,530Dec. 20, 1859G. SmithImprovement in Grippers for Grasping and Turning Cylindrical Articlespipe wrenches
31,034Jan. 01, 1861E. RipleyImprovements in Wrenches for Turning Pipes, Round Bolts, and Similar Articlespipe wrenches
54,278May 01, 1866D. BannisterImprovement in Gas Pipe Tongspipe tongs
65,588Jun. 11, 1867A.M. OldsImproved Self-Adjusting Wrenchpipe wrenches
74,697Feb. 18, 1868W. Kenyon, Jr.Improvement in Pipe-Tongspipe tongs
115,678Jun. 06, 1871W.H. BarwickImprovement in Pipe-Wrenchespipe tongs
132,579Oct. 29, 1872G.A. HoldenImprovment in Tubing-Tongspipe tongs
135,773Feb. 11, 1873W.H. BurtonImprovement in Pipe-Wrenchesalligator wrenches
143,908Oct. 21, 1873D.D. IngramImproved Pipe-Wrenchpipe wrenches
148,089Mar. 03, 1874J.L. RipleyPipe-Wrenchespipe wrenches
149,641Apr. 14, 1874A. CollisPipe-Wrenchespipe wrenches
163,486May 18, 1875F.D. HardyImprovement in Car Starters
181,701Aug. 29, 1876D. McLarenPipe-Tongspipe wrenches
185,958Jan. 02, 1877A. Dunnebake, C. PetersonImprovement in Gas-Fitting Wrenchespipe wrenches
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