Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856851 | Relay and booster valves for air brake systems | Clarence R. Herring | 1989-08-15 |
| 4181367 | Ratio relay emergency valve system for vehicles | Clarence R. Herring, Taylor F. Mattern | 1980-01-01 |