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All Patents in class 192/43.1
Patents 1 - 15 of 90
First set of recordsNext set of recordsLast set of records
139,006May 20, 1873S.W. HemenwayImprovement in Auger Handles
175,151Mar. 21, 1876F.P. PflegharRatchet bit-braceratchet braces
193,301Jul. 17, 1877M. Vassar, IIRatchet-Wrenchratchet wrenches
210,942Dec. 17, 1878G.E. GayImprovement in Ratchet Screwdrivesratcheting screwdrivers
218,714Aug. 19, 1879C.G. CooperTraction Enginesteam traction engines
260,359Jul. 04, 1882C.E. BillingsRatchet Drillhand drills
279,271Jun. 12, 1883J.F. Simpson, F.E. OkieWrenchratchet wrenches
283,801Aug. 28, 1883D.V. MillerImprovement in Ratchet-Wrenchesratchet wrenches
283,844Aug. 28, 1883C.H. AmidonBit-stock
293,957Feb. 19, 1884R. EllrichPawl and ratchetbraces
294,762Mar. 11, 1884W.R. ClarksonRatchet bit-brace
295,797Mar. 25, 1884A.E. OsbornRatchet Wrenchratchet wrenches
330,774Nov. 17, 1885F. CroninRatcheting Auger Handleauger handles
344,160Jun. 22, 1886H.S. BrownsonRatcheting Screwdriverratcheting screwdrivers
346,058Jul. 20, 1886T.G. MouatImprovement in Ratchet Screw-Driversratchet wrenches
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