Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874837 | Lift assisted tailgate system for automotive vehicle | Steve Bruford, Duane A Koehler, Scott G. Miller | 2005-04-05 |
| 6793263 | Pickup truck with lift assisted tailgate system | Stephen Bruford, Jeffrey Alan Firzlaff, Duane A Koehler, Scott G. Miller, Glenn VanGelderen | 2004-09-21 |
| 6769729 | Automotive tailgate with lift assist system-I | Stephen Bruford, Jeffrey Alan Firzlaff, Scott G. Miller, Duane A Koehler, Glenn VanGelderen | 2004-08-03 |