Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063167 | Self leveling towed implement | Albert W. Staszak, Donald Joseph Sanderson | 2006-06-20 |
| 6315058 | Soil-working implement having quick-change sweep design | Donald Joseph Sanderson | 2001-11-13 |
| 4712622 | Self-leveling agricultural implement | Brad K. Eversole, Kevin J. Magee | 1987-12-15 |
| 4391335 | Rotary hoe wheel | — | 1983-07-05 |