Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444286 | Torque-control with overspeed regulation and method of controlling a hydrostatic drive | Royal R. Hawkins | 1984-04-24 |
| 4229649 | Photo electrically programmed steering control | Royal R. Hawkins | 1980-10-21 |