| All Patents in class 241/285.1 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 32,936 | Jul. 30, 1861 | J.R. Whittemore | Adjusting-Knife of Feed-Cutters |
 | 74,774 | Feb. 25, 1868 | A.W. Straub | Improvement in portable grinding-mills |
| | 254,414 | Feb. 28, 1882 | R.L. Webb | Coffee Mill |
 | 261,297 | Jul. 18, 1882 | H. Bolthoff | Mortar for stamp-mills |
 | 361,534 | Apr. 19, 1887 | E.T. McKaig | Frame adapted for use with various machines |
| | 678,111 | Jul. 09, 1901 | D.L. Adelsperger | Grinding-Mill |
 | 691,135 | Jan. 14, 1902 | E.E. Hanna | Ore-crusher |
 | 691,339 | Jan. 14, 1902 | T.W. Capen, A.J. Gates | Rock or ore breaker |
| | 692,243 | Feb. 04, 1902 | W.E. Copenhaver | Mill |
| | 1,696,636 | Dec. 25, 1928 | H.L. Johnston | Grinding apparatus |
