Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563761 | Apparatus and method of vehicle occupant sensing using multiple ultrasonic frequencies | Dale W. McKim, Stephen R. W. Cooper, Edward J. Gillis | 2003-05-13 |
| 5991234 | Ultrasonic sensor system and method having automatic excitation frequency adjustment | Frederic Marcel Sejalon, Stephen R. W. Cooper | 1999-11-23 |