Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302750 | Poultry feeder | Ray E. Swartzendruber | 1989-08-08 |
| 4834026 | Poultry feeder assembly | Ray E. Swartzendruber | 1989-05-30 |
| 4337728 | Programmed hog feeder and process | Carl W. Van Gilst, Bradley E. Donahoe | 1982-07-06 |