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All Patents in class 81/150
Patents 1 - 15 of 37
First set of recordsNext set of recordsLast set of records
12,510Mar. 13, 1855J. HydeImprovement in Screw-Wrenchesquick adjust wrenches
13,597Sep. 25, 1855H.J. BehrensImprovement in Wrenches for Turning Screw-Nutsquick adjust wrenches
42,239Apr. 05, 1864A. Leigh, C.R. ThornImproved Screw-Wrenchratchet wrenches
56,147Jul. 03, 1866A.M. OldsImprovement in Wrenchesquick adjust wrenches
97,849Dec. 14, 1869S. ZarleyImprovement in Monkey-Wrenchnut wrenches
109,913Dec. 06, 1870C. KniselyWrenchquick adjust wrenches
114,179Apr. 25, 1871F.B. MorseImprovement in Wrenchesquick adjust wrenches
120,641Nov. 07, 1871I.S. HamiltonImprovement in Pipe Wrenchespipe wrenches
139,174May 20, 1873F.H. MerrillImproved Pipe Tongspipe tongs
144,134Oct. 28, 1873L.B. PrindleImprovement in wrenchesbrace wrenches
184,707Nov. 28, 1876J.T. GilbertCarriage-Wrenchaxle nut wrenches
184,827Nov. 28, 1876G.W. BradleyWrenchesquick adjust wrenches
242,062May 24, 1881A.K. SheppardMonkey Wrenchquick adjust wrenches
350,935Oct. 19, 1886J.G. LeslieWrenchquick adjust wrenches
352,260Nov. 09, 1886W.H. Parsons, J.M. ParsonsWrenchaxle nut wrenches that lock nut to wheel hub
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