| All Patents in class 451/501 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 188,580 | Mar. 20, 1877 | J.L. Perry, A. Bridgman | Improvement in wood-polishing machines |
 | 240,179 | Apr. 12, 1881 | J.L. Perry | Sanding machine |
 | RE10,152 | Jul. 11, 1882 | J.L. Perry, A. Bridgman | Wood-polishing machine |
 | 273,303 | Mar. 06, 1883 | J.L. Perry | Sanding machine |
 | 352,988 | Nov. 23, 1886 | J. Challoner, A. Bridgman | Drum sander |
| | 414,115 | Oct. 29, 1889 | J.S. Kenyon | Sandpapering-roller |
 | 425,376 | Apr. 08, 1890 | L.D. Forbes | Abrading-cylinder |
 | 1,922,905 | Aug. 15, 1933 | R.A. Williams | Sander drum |
 | 1,988,361 | Jan. 15, 1935 | A.L. Pearson | Sanding wheel |
 | 2,167,573 | Jul. 25, 1939 | C. Jones | Sanding wheel head |
