Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991725 | Switchable diesel fuel filter assembly | George H. Frerichs | 2006-01-31 |
| 6036208 | Truck bed pull out step system | — | 2000-03-14 |
| 5716064 | Truck bed pull out step system | — | 1998-02-10 |