Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866918 | Torque limiting drive arrangement for a cotton harvester with multiple row units | Jonathan L. Engelstad | 1989-09-19 |
| 4809487 | Height control system with multiple control valves | Steve A. Junge | 1989-03-07 |