Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919211 | Clod crumbler | — | 1990-04-24 |
| 4687065 | Soil-inversion cultivator | Hugh G. Stirling | 1987-08-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919211 | Clod crumbler | — | 1990-04-24 |
| 4687065 | Soil-inversion cultivator | Hugh G. Stirling | 1987-08-18 |