Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6318497 | Pressure-sensitive switch, its method of calibration and use in a hydrophone array | Glen Ferguson, William H. Hulsman, Robert Claude Prescott, Richard D. Smith | 2001-11-20 |
| 5789844 | Acoustic transducer | — | 1998-08-04 |
| 5646470 | Acoustic transducer | — | 1997-07-08 |