Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5848169 | Feedback acoustic energy dissipating device with compensator | Robert L. Clark | 1998-12-08 |
| 5578761 | Adaptive piezoelectric sensoriactuator | Robert L. Clark, Jeffrey S. Vipperman | 1996-11-26 |