Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605196 | Multi-piece subsoiler unit for an agricultural implement | William L. Grimm | 1997-02-25 |
| 5560433 | Dual action earth working implement | William L. Grimm | 1996-10-01 |
| 4217746 | Crop deflector | George B. Cicci, Leo A. Markert, George W. Ridge | 1980-08-19 |