Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451004 | Flail head | Albert J. Ipnar | 1984-05-29 |
| 4241879 | Drive system for a manure spreader | — | 1980-12-30 |
| 4219163 | Closing mechanism for a fine material pan on a manure spreader | John K. Hale | 1980-08-26 |