Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8764038 | Heavy-duty axle/suspension system | Daniel J. Piehl | 2014-07-01 |
| 8490989 | Heavy-duty axle-to-beam connection | Daniel J. Piehl | 2013-07-23 |
| 8459666 | Side-beam lift assembly for heavy-duty vehicles | Daniel J. Piehl | 2013-06-11 |
| 8292313 | Heavy-duty axle-to-beam connection | Phillippi R. Pierce, R. Scott Fulton, Kimm L. Carr, Dane Gregg | 2012-10-23 |