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All Patents in class 81/408
Patents 1 - 15 of 23
First set of recordsNext set of recordsLast set of records
14,243Feb. 12, 1856F. KeehnoldImprovement in the Construction and Manufacturing of Adjustable Wrenches for Machinery and Carriages and other Purposespliers type wrenches
95,706Oct. 12, 1869V.K. McElhenyImprovement in Combined Pipe-Tongs and Wrenchpipe tongs
230,595Jul. 27, 1880G.H. WarrenWrenchquick adjust wrenches
350,199Oct. 05, 1886H. HublerImprovement in Pipe-Tongs and Cutterspipe tongs
389,666Sep. 18, 1888B. ReaganImprovements in Pipe Tongspipe tongs
416,500Dec. 03, 1889R.J. RobbinsPipe Wrenchpipe wrenches
521,582Jun. 19, 1894F.E. BurgevinWrenchwrench combination tools
543,331Jul. 23, 1895J.C. BurgessPipe Wrenchpipe wrenches
562,101Jun. 16, 1896G.D. StevensPipe Wrenchpipe wrenches
578,249Mar. 02, 1897M.D. LetteerCombination Toolwrench combination tools
603,494May 03, 1898J.R. Huffman, F. AaronWrenchquick adjust wrenches
606,317Jun. 28, 1898G.R. Van SchoickWrenchquick adjust wrenches
627,401Jun. 20, 1899W.H. EdwardsAdjustable Nut Crackernutcrackers
644,825Mar. 06, 1900T. JensenImprovements in Tongs and Wrenchespliers type wrenches
660,963Oct. 30, 1900J.P. KiblerWrenchpipe wrenches
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