Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492080 | Tractor hydraulic control systems | John David Smith | 1985-01-08 |
| 4445394 | Control lever arrangements | Derek Smith | 1984-05-01 |
| 4207436 | Constant percent break type dial pulse corrector | Nam Tosuntikool | 1980-06-10 |