Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959174 | Air spring/coil spring combination suspension system | — | 2011-06-14 |
| 7681898 | Composite suspension system for a vehicle | Vernon T. Mullican | 2010-03-23 |
| 7500688 | Air spring/coil spring combination suspension system | Raymond Charles Rawn | 2009-03-10 |
| 5887880 | Squatdown axle and suspension system | Vernon T. Mullican, Joe Donald Green | 1999-03-30 |