Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403737 | Lift axle suspension systems with lift paddle | Ashley Thomas Dudding, Ryan M. Ettenhofer, Michael P. Robinson, Richard J. Aumann | 2025-09-02 |
| 12337637 | Clamp group and round axle with alignment features | Ryan M. Ettenhofer, Michael P. Robinson, Ashley Thomas Dudding, Richard J. Aumann | 2025-06-24 |
| 9809073 | Tapered axle/suspension system beam for heavy-duty vehicles | Shane A. Tipton, Matthew J. Van Meter, Gary E. Gerstenslager, Michael P. Robinson | 2017-11-07 |
| 9533540 | Parking brake interlock for automatic lift axle | — | 2017-01-03 |