Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809487 | Height control system with multiple control valves | Leon F. Sanderson | 1989-03-07 |
| 4803830 | Support arrangement for cotton harvester row units | Timothy A. Deutsch | 1989-02-14 |