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All Patents in class 81/164
Patents 1 - 15 of 34
First set of recordsNext set of recordsLast set of records
2,991Mar. 04, 1843J. Williams, Jr.Screw-Wrenchscrew adjust wrenches
50,748Oct. 31, 1865J.C. Chapman, D.C. StillsonImproved Tool for Turning Gas-Pipe, etc.pipe wrenches
52,487Feb. 06, 1866J.C. ConnerImprovement in Wrenchesscrew adjust wrenches
60,380Dec. 11, 1866J.V. JepsonImproved Tool for Cutting Tubespipe wrenches
78,047May 19, 1868J.L. BrierlyImprovement in Pipe-Wrench and Cutterpipe wrenches
94,241Aug. 31, 1869J.C. Chapman, A. RobesImprovement in Pipe-Wrench and Pipe-Cutterpipe wrenches
170,492Nov. 30, 1875H. PortImprovement in Wrenchesscrew adjust wrenches
191,010May 22, 1877J.P. MitchellImprovement in Wrenchesscrew adjust wrenches
215,039May 06, 1879C.E. BillingsTap Wrenchtap wrenches and die stocks
221,633Nov. 11, 1879J.H. VintonPipe-Wrenchwrench handle components
231,023Aug. 10, 1880J. EverdingPipe Wrenchpipe wrenches
258,137May 16, 1882J. SchweglerWrenchscrew adjust wrenches
258,673May 30, 1882J.E. PrestonWrenchwrench jaw components
290,106Dec. 11, 1883H. PortConvertible Toolcombination tools
325,942Sep. 08, 1885B.F. LancasterWrenchaxle nut wrenches
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