| All Patents in class 451/311 |
Patents 16 -
30
of 102
      |
| Number | Date | Patentee | Title | Type |
| 933,305 | Sep. 07, 1909 | R.M. Gleason, E.J. Jackoboice | Sand-belt machine | sanding machines |
| 980,053 | Dec. 27, 1910 | J. Hausman, J.C. Blevney | Grinding and polishing machine | sanding machines |
| 1,049,214 | Dec. 31, 1912 | C.H. Drury | Abrasive-belt machine | belt sanders |
| 1,059,055 | Apr. 15, 1913 | A. Lindquist | Belt-sanding machine | belt sanders |
| 1,096,882 | May 19, 1914 | O.C. Wysong | Abrasive apparatus | sanding machines |
| 1,108,176 | Aug. 25, 1914 | A. Hormel | Grinding-machine | sanding machines |
| 1,149,479 | Aug. 10, 1915 | R.C. Turner, C.R. Townsend | Endless-band grinding and polishing machine | sanding machines |
| 1,159,060 | Nov. 02, 1915 | C.L. Mattison | Belt-sander | belt sanders |
| 1,179,999 | Apr. 18, 1916 | J.C. Blevney | Grinding and polishing machine | sanding machines |
| 1,246,958 | Nov. 20, 1917 | J.T. Lindsey | Machine for rounding corners | belt sanders |
| 1,356,338 | Oct. 19, 1920 | A.A. Clarke | Surface-treating device | |
| 1,364,324 | Jan. 04, 1921 | J. Siakel | Sandpapering-machine | belt sanders |
| 1,635,399 | Jul. 12, 1927 | E.J. Fischer | Sanding machine | belt sanders |
| 1,650,863 | Nov. 29, 1927 | E.F. Butts | Double-belt sanding machine | belt sanders |
| 1,665,749 | Apr. 10, 1928 | C.L. Mattison | Double-belt sander | sanding machines |
