| All Patents in class 451/500 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 209,648 | Nov. 05, 1878 | A. Bridgman | Improvement in sandpapering-machines |
 | 416,801 | Dec. 10, 1889 | O.B. Osborn, E.G. Richards | Wood-polishing machine |
 | 577,582 | Feb. 23, 1897 | H.J. Mitchell, F.L. Lane | Abrading-cylinder |
 | 631,507 | Aug. 22, 1899 | E. Kelly | Abrading and polishing rolls |
 | 779,386 | Jan. 03, 1905 | C.B. Wattles | Grinding or polishing-roll |
 | 863,276 | Aug. 13, 1907 | W.H. Hobby | Sand-wheel |
 | 949,249 | Feb. 15, 1910 | J.R. Thomas | Abrading-cylinder |
| | 1,274,513 | Aug. 06, 1918 | C.F. Camer | Sharpening Appliance |
 | 1,757,679 | May 06, 1930 | H.L. Myers | Clamping device |
 | 1,836,367 | Dec. 15, 1931 | A.N. Emmons | Abrading roller construction |
