| All Patents in class 241/249 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 6,913X | Jan. 27, 1832 | G. Hotchkiss | Grist mill |
| | 7,039X | May 03, 1832 | W.G. Johnston | Universal mill for grinding paint, dye-stuffs, etc. |
| | 8,739X | Apr. 03, 1835 | E. Holton | Constructing mills the same for grinding grain |
| | 9,019X | Aug. 17, 1835 | P. Cope | Mills, grinding and chopping of grain |
| | 9,364X | Feb. 05, 1836 | I. Pope | Flour Cooler |
 | 75,273 | Mar. 10, 1868 | S.A. Smith, G.W. Hubbard | Improvement in grinding-mills |
 | 361,534 | Apr. 19, 1887 | E.T. McKaig | Frame adapted for use with various machines |
 | 594,101 | Nov. 23, 1897 | O. Simpson | Grinding-mill |
