Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820238 | Rotary control for quick playlist navigation in a vehicular multimedia player | Jack Auflick, David S. Cheney, Michael R. Remenak, Gregory R. Hamel | 2004-11-16 |
| 5754123 | Hybrid ultrasonic and radar based backup aid | Peter Nashif, Stan John Tracy | 1998-05-19 |
| 5455396 | Temperature/environment-resistant transducer suspension | Charles L. Willard, Earl R. Geddes | 1995-10-03 |