Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905769 | Draft connection | Ronny L. Barnes, David A. Gary | 1990-03-06 |
| 4860833 | Draft connection | Ronny L. Barnes, David A. Gary | 1989-08-29 |
| 4655295 | Tractor and implement stabilizer | Ronny L. Barnes, David A. Gary | 1987-04-07 |