Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286095 | Air brake emergency control valves | Edward D. Sell | 1994-02-15 |
| 4852915 | Shut-off and locking assembly for swivel gladhand | — | 1989-08-01 |
| 4593954 | Air brake valve system | — | 1986-06-10 |
| 4412693 | Swivel hose coupling with threaded nipple | — | 1983-11-01 |
| 4343498 | Swivel hose coupling | — | 1982-08-10 |
| 4343561 | Slack adjuster | — | 1982-08-10 |
| 4231286 | Brake actuators | — | 1980-11-04 |
| 4221158 | Pneumatic actuator | Boleslaw M. Klimek | 1980-09-09 |