Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544047 | Spring-applied, air-released, slack-adjusting parking brake | Paul F. Czerniewski | 1985-10-01 |
| 4323144 | Hydro-pneumatic brake actuator arranged to maintain a constant brake shoe clearance | Robert B. Morris | 1982-04-06 |