Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371456 | Seat suspension system | Norman E. Ritchie, Michael von Mayenburg, Marc Milobinski | 2002-04-16 |
| 6340152 | Seat suspension vibration damper | Norman E. Ritchie, Marc Milobinski | 2002-01-22 |
| 6224146 | Spoiler sunroof mechanism | Michael T. Willard, Robert E. Fallis, III | 2001-05-01 |