Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409912 | Agronomic implement | Amy M. E. Koronka | 1983-10-18 |
| 4289081 | Coulter device for direct seed drills | — | 1981-09-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409912 | Agronomic implement | Amy M. E. Koronka | 1983-10-18 |
| 4289081 | Coulter device for direct seed drills | — | 1981-09-15 |