Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786537 | One piece plastic water management system for sunroof | Troy Allan, Steven J. Engelgau, Hyong Chol Park, Joachim Roeder, Daniel Cooney +3 more | 2004-09-07 |
| 5301185 | Ring communication system | — | 1994-04-05 |