| All Patents in class 451/309 |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
 | 575,187 | Jan. 12, 1897 | L. Welker | Sanding-machine |
 | 629,885 | Aug. 01, 1899 | C. Becker | Abrading or polishing machine |
 | 743,608 | Nov. 10, 1903 | C.S. Yarnell | Rubbing and polishing machine |
 | 869,688 | Oct. 29, 1907 | J. Black | Sandpapering-machine |
 | 910,634 | Jan. 26, 1909 | O. Allen | Felly-polishing machine |
 | 953,031 | Mar. 29, 1910 | J. Hausman, J.C. Blevney | Grinding and polishing machine |
 | 981,159 | Jan. 10, 1911 | E.J. Bein | Surfacing-machine |
 | 1,043,194 | Nov. 05, 1912 | J.C. Blevney | Grinding and polishing machine |
 | 1,052,453 | Feb. 11, 1913 | J.C. Blevney | Grinding and polishing machine |
| | 1,064,572 | Jun. 10, 1913 | G.D. Trogdon | Sanding-machine |
