Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950150 | Briquetting machine | Peter G. Williams, Reinhard Vitols | 1990-08-21 |
| 4548276 | Soil cultivating implement | — | 1985-10-22 |
| D277677 | Cultivating implement | — | 1985-02-19 |
| 4411322 | Cultivating machine rotor | — | 1983-10-25 |