Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536310 | Low-profile wrench | — | 2003-03-25 |
| 5558408 | Vehicle brake system | Mark Henry Naedler | 1996-09-24 |
| 5402866 | Brake assembly with new locking mechanism | Mark Henry Naedler | 1995-04-04 |
| 5190357 | Air-actuated brake system for vehicles | — | 1993-03-02 |
| 5140932 | Device for indicating brake wear | Frank Joseph Sonzala | 1992-08-25 |
| 5044302 | Brake wear indicator | Frank Joseph Sonzala | 1991-09-03 |
| 4907842 | Vehicle air brake system and valves for it | — | 1990-03-13 |