All Patents in class 451/241 |
Patents 1 -
10
of 16
      |
Picture | Number | Date | Patentee | Title |
 | 335,984 | Feb. 09, 1886 | F.S. White | Grinding apparatus |
| 353,539 | Nov. 30, 1886 | J. Casey | Box-making machine |
| 521,646 | Jun. 19, 1894 | R. Dutton | Grinding-machine |
| 651,839 | Jun. 19, 1900 | A.D. Erb | Sanding machine |
 | 698,315 | Apr. 22, 1902 | E.S. Shimer, H.A. Pardoe | Grinding-machine |
 | 1,153,479 | Sep. 14, 1915 | E.F. Beugler | Combined belt- and drum-sanding machine |
| 1,264,129 | Apr. 23, 1918 | M.O. Reeves | Grinding Machine |
 | 1,267,447 | May 28, 1918 | T.N. Phelan | Work Guide and Support for Drill Presses |
| 1,277,472 | Sep. 03, 1918 | W.B. Peirce | Grinding Machine |
 | 1,539,829 | Jun. 02, 1925 | F.L. Cole | Guard and work-rest mounting |