Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827459 | High sensitivity accelerometer for crossed dipoles acoustic sensors | — | 1989-05-02 |
| 4800542 | Tilt sensor for resolving left-right ambiguity in underwater acoustic detection systems | Garfield W. McMahon | 1989-01-24 |