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All Patents in class 451/540
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
98,850Jan. 18, 1870H. Harpin, J. CoulterStone Dressing Machinestone dressing machines
261,198Jul. 18, 1882R. BartonDental Grinding Tooldental apparatus
750,479Jan. 26, 1904P.F. McCormickCar Wheel Grinding Deviceprofile and contour grinders
2,135,900Nov. 08, 1938H.W. KulpGrinding Toolvalve grinding tools
2,254,508Sep. 02, 1941H.B. BarrettHoning Toolhoning tools
2,281,420Apr. 28, 1942J.C. DraderBuilt Up Abrasivegear cutting tools
2,545,676Mar. 20, 1951L. SmallDiamond impregnated dressing toolgrinder dressers
2,717,422Sep. 13, 1955W.J. Stolp, O.R. RoweMethod and means for forming sanding blocks
2,823,498Feb. 18, 1958G.A. SaundersHoning elementhoning machines
3,016,660Jan. 16, 1962M.J. GrossHone and abrasive element thereforhoning machines
3,154,893Nov. 03, 1964K.H. Casson, D.K. GreenbergHoning elementhoning machines
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