Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585286 | Vehicle suspension | Daniel Adema, Ashley Thomas Dudding, Michael J. Gottschalk, Christopher B. Wall | 2003-07-01 |
| 5078420 | Tandem wheel and axle suspension | Tjong T. Lie, Gilbert Olvera | 1992-01-07 |
| 4699399 | Tandem-axle walking beam suspension | James B. Taylor | 1987-10-13 |
| 4502707 | Tandem axle suspension system | Alva R. Settle | 1985-03-05 |