Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044697 | Brake valve control system | Douglas M. Longyear | 1991-09-03 |
| 4264109 | Hydraulic braking system | Kilbourne H. Knox | 1981-04-28 |
| 4251115 | Hydraulic braking system | Kilbourne H. Knox | 1981-02-17 |