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All Patents in class 81/148
Patents 1 - 15 of 18
First set of recordsNext set of recordsLast set of records
2,165Jul. 10, 1841J. BrettImprovement in Key-Wrencheswedge adjust wrenches
20,211May 11, 1858J. McKenzieImproved Mode of Fixing the Movable Jaws of Adjustable Wrencheswedge adjust wrenches
86,534Feb. 02, 1869C. HallImprovement in Screw-Wrenchquick adjust wrenches
96,287Oct. 26, 1869R.M. ThompsonWrenchquick adjust wrenches
105,604Jul. 19, 1870O.J. SmithWrenchquick adjust wrenches
293,175Feb. 05, 1884J. JewellPipe Wrenchpipe wrenches
350,199Oct. 05, 1886H. HublerImprovement in Pipe-Tongs and Cutterspipe tongs
457,050Aug. 04, 1891D.A. KershnerWrenchwedge adjust wrenches
460,403Sep. 29, 1891W.H. RogersNut Wrenchquick adjust wrenches
514,993Feb. 20, 1894W. HoughtonImproved Monkey Wrenchwedge adjust wrenches
527,643Oct. 16, 1894A.L. WingeWrenchquick adjust wrenches
567,715Sep. 15, 1896W. HoughtonPipe Wrenchpipe wrenches
580,027Apr. 06, 1897A.P. WiltseWrenchwedge adjust wrenches
591,553Oct. 12, 1897J.H. JohnsonWrenchquick adjust wrenches
592,666Oct. 26, 1897E.B. SankeyMonkey Wrenchquick adjust wrenches
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