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All Patents in class 81/65.2
Patents 1 - 15 of 25
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NumberDatePatenteeTitleType
160,179Feb. 23, 1875D. GilbertImprovement in Pipe-Wrencheschain and strap wrenches
181,990Sep. 05, 1876O.H. SmithImprovement in Tubing-Chain Wrencheschain and strap wrenches
225,216Mar. 09, 1880O.T. EarleMeans for Applying Bands to Hose, etc.clamps
257,344May 02, 1882W.T. KosinskiDevice For Converting Motionchain and strap wrenches
334,276Jan. 12, 1886J.J. PalmerPipe Tongschain and strap wrenches
336,468Feb. 16, 1886M.R. Chrystal, C. BonnichsenPipe Wrenchchain and strap wrenches
412,096Oct. 01, 1889P.H. KaneImprovements in Pipe-Tongschain and strap wrenches
430,994Jun. 24, 1890E.O. ElyPipe-Wrenchchain and strap wrenches
520,712May 29, 1894C.P. Mosher, N.R. StreeterChain Pipe Wrenchchain and strap wrenches
536,553Mar. 26, 1895J.H. VintonChain Wrenchchain and strap wrenches
555,931Mar. 10, 1896G.F. CrassChain Pipe Wrenchchain and strap wrenches
567,492Sep. 08, 1896W. Cook, J. MusgravePipe Wrenchchain and strap wrenches
594,563Nov. 30, 1897R.A. RyriePipe Wrenchchain and strap wrenches
640,084Dec. 26, 1899C.A. Bohner, P.H. BohnerChain Pipe Wrenchchain and strap wrenches
648,766May 01, 1900R. MacKayPipe Wrenchchain and strap wrenches
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