Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029650 | Adjustable quick attaching hitch coupler | — | 1991-07-09 |
| 4974683 | Ridge tillage attachment for planters | John A. Hanig, Steven E. Sukup, James D. Tuttle | 1990-12-04 |
| 4912915 | Rotary cutter implements | — | 1990-04-03 |
| 4903781 | Flexible mounting system for agricultural implements | — | 1990-02-27 |
| 4702323 | Ridge tillage attachment for planters | Charles E. Sukup, Eugene G. Sukup | 1987-10-27 |
| 4440637 | Rotary grain screeners | Eugene G. Sukup | 1984-04-03 |
| 4274750 | Grain stirrer drive assembly | — | 1981-06-23 |