Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100061 | Floor mounting arrangement for manure spreaders | Stanley J. Makofka | 1992-03-31 |
| 4707972 | Movable feeder floor for combines | — | 1987-11-24 |
| 4467819 | Combined stone trap closing mechanism | Glenn A. Musser, Stuart O. Swiler | 1984-08-28 |
| 4335564 | Electronically actuated stone trap trip mechanism | — | 1982-06-22 |
| 4335563 | Combine stone trap latch release | Robert L. Rice | 1982-06-22 |
| 4335565 | Latch mechanism for combine having electronic and mechanical stone detectors | John J. Komancheck | 1982-06-22 |
| 4327544 | Variable speed indicator for combine | James W. McDuffie | 1982-05-04 |
| 4266392 | Header cutting angle adjustment mechanism | James W. McDuffie, Robert A. Wagstaff | 1981-05-12 |
| 4266391 | Header attachment mechanism for combines | James W. McDuffie, Larimer J. Knipper | 1981-05-12 |
| 4253295 | Lateral float mechanism for combines | — | 1981-03-03 |