Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703614 | Cyclone forage harvester | Douglas W. Cooper | 1987-11-03 |
| 4349211 | Bumper hitch | — | 1982-09-14 |
| 4333305 | Plant spreader device for a crop harvester | — | 1982-06-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703614 | Cyclone forage harvester | Douglas W. Cooper | 1987-11-03 |
| 4349211 | Bumper hitch | — | 1982-09-14 |
| 4333305 | Plant spreader device for a crop harvester | — | 1982-06-08 |