| All Patents in class 451/519 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 408,433 | Aug. 06, 1889 | T.L. Prevost | Sand-paper holder | abrasives and holders |
| 525,087 | Aug. 28, 1894 | F.E. Schmitt | Polishing-cylinder for sandpapering-machines | sanding machines |
| 578,214 | Mar. 02, 1897 | T.E. Keavy | Sandpapering and buffing machine | sanding machines |
| 597,048 | Jan. 11, 1898 | M.A. Beck | Paper-fastening for sander-cylinders | sanding machines |
| 1,922,905 | Aug. 15, 1933 | R.A. Williams | Sander drum | sanding machines |
| 2,278,564 | Apr. 07, 1942 | R.A. Reid | Sanding machine | floor sanders |
