Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240271 | Tractor-mounted integrated gladhand and quick-release valve for tractor-trailer highway vehicles | James D. Hart | 1993-08-31 |
| 4279273 | Clutch retention feature of a hand control valve | — | 1981-07-21 |