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All Patents in class 81/167
Patents 1 - 15 of 70
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NumberDatePatenteeTitleType
13,221Jul. 10, 1855B.F. JoslynSlide-Wrenchnut wrenches
16,733Mar. 03, 1857B.F. JoslynImprovement in Screw-Wrenchesnut wrenches
48,759Jul. 11, 1865W. ZimmermanImprovement in revolving mortising-toolsmortising machines
56,166Jul. 10, 1866B. BoardmanImproved Toolwrench combination tools
107,304Sep. 13, 1870D.C. StillsonImprovement in Wrenchesscrew adjust wrenches
202,259Apr. 09, 1878C.W. HiltonWrenchwrenches
212,298Feb. 18, 1879C.E. BillingsWrenchscrew adjust wrenches
228,755Jun. 15, 1880R. HaydenMonkey Wrenchnut wrenches
261,217Jul. 18, 1882A.F. FifieldPipe Wrenchpipe tongs
291,266Jan. 01, 1884N.W. Vandegrift, F. ArmstrongPipe Wrenchpipe wrenches
310,818Jan. 13, 1885J.F. GuthriePipe Wrenchpipe wrenches
334,085Jan. 12, 1886J.D. OtstotWrenchscrew adjust wrenches
344,406Jun. 29, 1886S.A. RousePipe Wrenchpipe wrenches
366,322Jul. 12, 1887C.H. JohnsonCombination Toolwrench combination tools
383,544May 29, 1888J. RosePipe Wrenchpipe wrenches
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