Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647171 | Hard-top vehicle window regulator system | Timothy A. Wirsing | 1997-07-15 |
| 5537781 | Hard-top vehicle window regulator system | William C. Bisnack, Jesse J.-S. Jou, Timothy A. Wirsing | 1996-07-23 |