Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199005 | Electromagnetic drive assembly for under water sonar transducer | — | 1993-03-30 |
| 5062089 | Sonar projector with liquid mass loading for operation at lower frequency | Bernard Willard | 1991-10-29 |
| 5047997 | Sonar projector with liquid mass loading for operation at lower frequency | — | 1991-09-10 |