Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6029447 | Spring brake actuator with filtered vent openings | Steven M. Stojic | 2000-02-29 |
| 5921532 | Air spring with internal support member | William C. Pierce, John Michael Douglass, Gregory Galazin, William J. Hicks, Gregory A. Richardson | 1999-07-13 |