Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681265 | Swath-controlling variable chute and chute-activated damper for a broadcast spreader | Dennis Simpson | 1987-07-21 |
| 4588133 | Combined chute and variable rate control assembly for a broadcast spreader | Dennis Simpson | 1986-05-13 |