Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10721865 | Combine harvester with lateral motion of the grain pan | Frank R. G. Duquesne, Curtis F. Hillen | 2020-07-28 |
| 4874411 | Air filtering mechanism | Geert Vergote, Daniel C. Witdoek | 1989-10-17 |