| All Patents in class 451/500 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 209,648 | Nov. 05, 1878 | A. Bridgman | Improvement in sandpapering-machines | sanding machines |
| 416,801 | Dec. 10, 1889 | O.B. Osborn, E.G. Richards | Wood-polishing machine | sanding machines |
| 577,582 | Feb. 23, 1897 | H.J. Mitchell, F.L. Lane | Abrading-cylinder | sanding machines |
| 631,507 | Aug. 22, 1899 | E. Kelly | Abrading and polishing rolls | sanding machines |
| 779,386 | Jan. 03, 1905 | C.B. Wattles | Grinding or polishing-roll | sanding machines |
| 863,276 | Aug. 13, 1907 | W.H. Hobby | Sand-wheel | sanding machines |
| 949,249 | Feb. 15, 1910 | J.R. Thomas | Abrading-cylinder | sanding machines |
| 1,274,513 | Aug. 06, 1918 | C.F. Camer | Sharpening Appliance | |
| 1,757,679 | May 06, 1930 | H.L. Myers | Clamping device | sanding machines |
| 1,836,367 | Dec. 15, 1931 | A.N. Emmons | Abrading roller construction | sanding machines |
| 2,073,167 | Mar. 09, 1937 | H.L. Myers | Surface cleaning means | |
| 2,393,089 | Jan. 15, 1946 | S.A. Crosby | Rubbing pad for polishing machines | handheld power sanders |
| 2,402,191 | Jun. 18, 1946 | L. Vavrik | Surfacing machine drum | sanding machines |
| 2,504,923 | Apr. 18, 1950 | G.N. Enlund, A.N. Emmons | Detachable covering for abrading drums | sanding machines |
| 2,519,620 | Aug. 22, 1950 | P. Zasadny, B.J. Zitek | Gripping and tensioning device for rubbing pad abrading sheets | handheld power sanders |
