Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938425 | Hinged feed roll housing | Raymond S. Wilkes | 1990-07-03 |
| 4663918 | Retrofittable sensing unit for row crop harvester guidance system | Harold E. deBuhr, Dale R. Dolberg, Henry William Suechting, Jr. | 1987-05-12 |
| 4528804 | Sensing unit for row crop harvester guidance system | — | 1985-07-16 |