All Patents in class 451/358 |
Patents 1 -
10
of 18
      |
Picture | Number | Date | Patentee | Title |
| 456,366 | Jul. 21, 1891 | T.M. Milton | Hand-held line-powered drum sander |
| 549,250 | Nov. 05, 1895 | T.P. Owen | Tool Holder for Jewelers Lathes |
 | 979,143 | Dec. 20, 1910 | E.F. Faure | Controlling device for electrical apparatus |
 | 1,223,359 | Apr. 24, 1917 | J.O. Berg | Tool for treating stone, concrete and other materials |
 | 1,241,659 | Oct. 02, 1917 | E. Ritz, Jr. | Electric portable grinder |
 | 1,363,312 | Dec. 28, 1920 | A.A. Clarke | Surface-treating machine |
 | 1,390,501 | Sep. 13, 1921 | A.A. Clarke | Motor-driven surface-treating machine |
 | 1,575,307 | Mar. 02, 1926 | A.B. Bachmann | Flexible-shaft bench grinder |
 | 1,651,995 | Dec. 06, 1927 | W.P. Casey | Electric hand saw |
 | 1,655,565 | Jan. 10, 1928 | R.A. Reid | Grinder and polisher |