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All Patents in class 81/409.5
Patents 1 - 15 of 24
First set of recordsNext set of recordsLast set of records
62,137Feb. 19, 1867J. JohnsonImprovement in Pipe-Tongspipe tongs
64,676May 14, 1867W.H. LandbeckImprovement in Wrenchesquick adjust wrenches
65,162May 28, 1867J.R. BrownImprovement in Pipe-Tongspipe tongs
104,426Jun. 21, 1870E.B. ClarkImprovement in Wrenches for Screwing and Unscrewing Cylindric Bolts or Tubespipe tongs
131,357Sep. 17, 1872A.B. LipseyImprovement in Pipe-Tongspipe tongs
163,642May 25, 1875G.D. DeanImprovement in Pipe-Tongspipe tongs
228,333Jun. 01, 1880S. FawcettPipe-Tongspipe tongs
274,544Mar. 27, 1883F. ArmstrongWrenchpipe wrenches
350,935Oct. 19, 1886J.G. LeslieWrenchquick adjust wrenches
401,513Apr. 16, 1889C. PomeroyWrenchquick adjust wrenches
440,214Nov. 11, 1890D.B. WhitehillRod and Pipe Tongspipe tongs
451,991May 12, 1891J.A. AbbotsCarriage-Wrenchaxle nut wrenches
484,307Oct. 11, 1892W.S. Duvall, C.C. FieldsWrenchquick adjust wrenches
656,394Aug. 21, 1900E.L. Bill, H.A. DeitersPlierspliers
692,828Feb. 11, 1902J.C. Crume, J.M. ClarkWrenchjar wrenches
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