Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227046 | Integrated lift axle suspension system and method of use | Ervin K. VanDenberg, David H. Croston | 2025-02-18 |
| 12214639 | Integrated lift axle suspension system and method of use | Ervin K. VanDenberg, David H. Croston | 2025-02-04 |
| 5505481 | Lift axle suspension system | Ervin K. VanDenberg, Terry J. Weyer | 1996-04-09 |