| All Patents in class 451/309 |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 575,187 | Jan. 12, 1897 | L. Welker | Sanding-machine | sanding machines |
| 629,885 | Aug. 01, 1899 | C. Becker | Abrading or polishing machine | sanding machines |
| 743,608 | Nov. 10, 1903 | C.S. Yarnell | Rubbing and polishing machine | sanding machines |
| 869,688 | Oct. 29, 1907 | J. Black | Sandpapering-machine | belt sanders |
| 910,634 | Jan. 26, 1909 | O. Allen | Felly-polishing machine | sanding machines |
| 953,031 | Mar. 29, 1910 | J. Hausman, J.C. Blevney | Grinding and polishing machine | sanding machines |
| 981,159 | Jan. 10, 1911 | E.J. Bein | Surfacing-machine | sanding machines |
| 1,043,194 | Nov. 05, 1912 | J.C. Blevney | Grinding and polishing machine | sanding machines |
| 1,052,453 | Feb. 11, 1913 | J.C. Blevney | Grinding and polishing machine | sanding machines |
| 1,064,572 | Jun. 10, 1913 | G.D. Trogdon | Sanding-machine | sanding machines |
| 1,134,508 | Apr. 06, 1915 | J.C. Blevney | Grinding and polishing machine | sanding machines |
| 1,179,999 | Apr. 18, 1916 | J.C. Blevney | Grinding and polishing machine | sanding machines |
| 1,181,330 | May 02, 1916 | C.L. Mattison | Abrading or polishing machine | sanding machines |
| 1,241,407 | Sep. 25, 1917 | C.A. Lind | Sandpapering-machine | sanding machines |
| 1,288,908 | Dec. 24, 1918 | G.T. Johnson | Abrasive machine | sanding machines |
