Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770348 | Dispenser assembly for semi-liquid spreader | — | 1988-09-13 |
| 4732330 | Drive gearbox and spreader implement | Wilbur E. Groeneveld | 1988-03-22 |
| 4541570 | Endgate for manure spreader | Larry J. Pingry | 1985-09-17 |
| 4522296 | Flail auger for semi-liquid manure spreader | — | 1985-06-11 |