Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062089 | Sonar projector with liquid mass loading for operation at lower frequency | Gerard K. Forsberg | 1991-10-29 |
| 4466083 | Low frequency, broadband, underwater sound transducer | Robert Keith Judd | 1984-08-14 |