| All Patents in class 241/239 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| RE2,119 | Dec. 05, 1865 | A.S. Macomber | Improvement in straw-cutters | hay or straw cutters |
| 294,673 | Mar. 04, 1884 | E. Rhodes | Grinding-mill | corn grinders |
| 355,179 | Dec. 28, 1886 | R.C. Kirby | Bark-cutter | bark processing machines |
| 682,158 | Sep. 10, 1901 | D.L. Adelsperger | Apparatus for Grinding, Crushing, or Feeding | grinding mills |
| 1,404,518 | Jan. 24, 1922 | O.C. Frick | Shear-bar anchor for feed cutters | hay or straw cutters |
| 2,174,461 | Sep. 26, 1939 | G.O. Leopold, T.J. Fegley | Ice breaker | |
| 2,195,363 | Mar. 26, 1940 | G.O. Leopold, T.J. Fegley | Ice crusher | |
