Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583662 | Metering mechanism for a roller mill | Charles R. Silverthorn | 1986-04-22 |
| 4485977 | Roller mill construction | Charles R. Silverthorn | 1984-12-04 |
| 4321996 | Cleated belt forage conveyor | Charlie R. Silverthorn | 1982-03-30 |