Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228522 | Lift assist and cushion spring tool bar wheel for agricultural implements | John F. Stufflebeam | 1993-07-20 |
| 5111785 | Engine protector with non-override reset | — | 1992-05-12 |
| 4819737 | Row crop cultivator | — | 1989-04-11 |
| 4766962 | Furrow forming apparatus for attachment to a tool bar | — | 1988-08-30 |
| 4758119 | Seed hopper construction with centrifugal blower-filler | George H. Wiemers | 1988-07-19 |
| 4496004 | Rearwardly folding agricultural implement | Leonard A. Bettin | 1985-01-29 |
| 4398478 | Seed planter apparatus with covering wheel | Edward L. Robinson, Jr. | 1983-08-16 |