| All Patents in class 241/152.2 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 4,244 | Oct. 25, 1845 | J. Urney | Corn Mill |
 | 11,390 | Jul. 25, 1854 | I. Straub | Corncob-cutter |
 | 220,626 | Oct. 14, 1879 | W.D. Leavitt | Improvement in machines for manufacturing flour |
 | 1,074,844 | Oct. 07, 1913 | A.M. Dellinger | Grinding and crushing mill |
| | 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 |
| | 1,764,760 | Jun. 17, 1930 | G.M. Soule | Material-treating machine |
| | 1,809,363 | Jun. 09, 1931 | A.R. Teare | Material treating machine |
 | 1,954,613 | Apr. 10, 1934 | F.A. Breeze | Cutting mechanism |
| | 2,256,731 | Sep. 23, 1941 | G.C. Winther | Means for forming and segregating rock chips from aggregates |
