Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530577 | Air suspense system for a vehicle | Arlin Gene Sandbulte, Craig Jungjohan | 2009-05-12 |
| 7416190 | Air suspension system for a vehicle | Arlin Gene Sandbulte, Craig Jungjohan | 2008-08-26 |
| 7234713 | Axle suspension system | Craig Jungjohan | 2007-06-26 |
| 6834873 | Axle suspension system | Craig Jungjohan | 2004-12-28 |
| 5967597 | Vehicle cab suspension | Richard Schwanke | 1999-10-19 |