Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557276 | Four way leveling mechanism for combine cleaning apparatus | Ronald T. Sheehan, E. William Rowland-Hill | 1985-12-10 |
| 4548214 | Fore-and-aft leveling mechanism for combine cleaning apparatus | Ronald T. Sheehan | 1985-10-22 |