| All Patents in class 241/152.2 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 4,244 | Oct. 25, 1845 | J. Urney | Corn Mill | miller |
| 11,390 | Jul. 25, 1854 | I. Straub | Corncob-cutter | corn cutters |
| 220,626 | Oct. 14, 1879 | W.D. Leavitt | Improvement in machines for manufacturing flour | grist mills |
| 1,394,725 | Oct. 25, 1921 | O.C. Frick | Comminuting attachment for feed-cutters | |
| 1,764,700 | Jun. 17, 1930 | W.H. Piesse, M.H. Spielman | Material-treating machine | food and drink mixers |
| 1,764,760 | Jun. 17, 1930 | G.M. Soule | Material-treating machine | food and drink mixers |
| 1,809,363 | Jun. 09, 1931 | A.R. Teare | Material treating machine | food and drink mixers |
| 1,954,613 | Apr. 10, 1934 | F.A. Breeze | Cutting mechanism | grist mills |
| 2,256,731 | Sep. 23, 1941 | G.C. Winther | Means for forming and segregating rock chips from aggregates | |
