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All Patents in class 81/177.1
Patents 16 - 30 of 190
First set of recordsPrevious set of recordsNext set of recordsLast set of records
118,619Aug. 29, 1871J.W. MahlonImprovement in Wrencheswrenches
132,789Nov. 05, 1872Q.S. BackusImprovement in wrenchesquick adjust wrenches
141,289Jul. 29, 1873A. PartridgeImprovement in Screw-Wrenchesnut wrenches
172,155Jan. 11, 1876O.B. NorthWrenchquick adjust wrenches
198,777Jan. 01, 1878W.T. NicholsonFile Handletool handles
202,259Apr. 09, 1878C.W. HiltonWrenchwrenches
212,298Feb. 18, 1879C.E. BillingsWrenchscrew adjust wrenches
219,808Sep. 23, 1879J. EdgecombImprovement in Auger-Handlesauger handles
223,146Dec. 30, 1879R.E. KidderTool-Handletool handles
225,135Mar. 02, 1880H.P. HoodWrenchscrew adjust wrenches
228,755Jun. 15, 1880R. HaydenMonkey Wrenchnut wrenches
236,692Jan. 18, 1881S.B. PeakmanScrew-Driverscrewdrivers
283,675Aug. 21, 1883W.J. ShermanWrenchpipe wrenches
287,809Nov. 06, 1883W. DevereuxScrew-Driverscrewdriver mechanisms
289,056Nov. 27, 1883R.C. Ellrich, G.S. AllenScrewdriverscrewdriver handles
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