Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834874 | Trailer suspension system | — | 2004-12-28 |
| 6092819 | Suspension system | Arnold Heron | 2000-07-25 |
| 6015158 | Heavy duty truck suspension | — | 2000-01-18 |
| 5951032 | Air suspension system | Dennis A. Beukelman, Brian L. Reynolds | 1999-09-14 |