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All Patents in class 81/391
Patents 1 - 15 of 43
First set of recordsNext set of recordsLast set of records
136,350Feb. 25, 1873T. WilliamsPipe-Wrenchespipe tongs
139,174May 20, 1873F.H. MerrillImproved Pipe Tongspipe tongs
172,550Jan. 25, 1876J.R. BrownPipe-Tongspipe tongs
174,142Feb. 29, 1876C.B. MartinImprovement in Nut-Crackersnutcrackers
186,099Jan. 09, 1877E.F. BarnesPipe Tongs and Cutterpipe tongs
186,925Feb. 06, 1877W. DicksImprovements in Adjustable-Grasp Wrenchesquick adjust wrenches
259,895Jun. 20, 1882C.H. MillerPipe Tongspipe tongs
266,310Oct. 24, 1882D.R. PorterCombined Wrench, Vise and Nail Pullercombination tools
282,256Jul. 31, 1883E.F. BarnesImprovements in Pipe-Tongs and Wrench Combinedpipe tongs
419,816Jan. 21, 1890B.G. Berrien, Jr.Improved Pipe Wrenchpipe tongs
425,647Apr. 15, 1890T. YoungWrenchquick adjust wrenches
474,810May 17, 1892A.B. CarllWrenchpipe wrenches
519,774May 15, 1894M.C. Randleman, Z.S. RandlemanImproved Adjustable Tongs, Wrench and Visecombination tools
540,409Jun. 04, 1895E.J. StonePipe Wrenchpliers type wrenches
567,945Sep. 15, 1896E.L. KeithLock Jaw Wrenchquick adjust wrenches
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