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All Patents of Type: grinding wheels
Patents 1 - 15 of 18
First set of recordsNext set of recordsLast set of records
25,747Oct. 11, 1859T.J. MayallImprovement in methods of combining emery with caoutchoucgrinding wheels
167,527Sep. 07, 1875G. HartImprovement in molds for forming artificial grindstonesgrinding wheels
226,066Mar. 30, 1880G. HartEmery-wheelgrinding wheels
275,561Apr. 10, 1883S.T. WrayPolishing or buffing wheelgrinding wheels
491,789Feb. 14, 1893D.F. WalkerGrindstone, emery-wheel, &c.grinding wheels
602,106Apr. 12, 1898C.E. RobertsTool for dressing emery-wheelsgrinder dressers
639,035Dec. 12, 1899G. HartChuck for emery-wheelsgrinding wheels
699,302Apr. 29, 1902W.D. Howe, G.H. FowlerGrinding-wheelgrinding wheels
779,848Jan. 10, 1905G. HartGrinding-wheelgrinding wheels
825,460Jul. 10, 1906G. HartGrinding-wheelgrinding wheels
988,506Apr. 04, 1911R. RadinseRotary brushgrinding wheels
1,133,475Mar. 30, 1915E.R. HydeGrinding Wheelgrinding wheels
1,174,488Mar. 07, 1916R. Radinse, O. GeigerBrushgrinding wheels
1,276,366Aug. 20, 1918R.P. Place, J.E. HoyGrinding Wheel Dressergrinder dressers
1,287,024Dec. 10, 1918R.P. Place, J.E. HoyGrinding Wheel Dressergrinder dressers
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