Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5555221 | Device for picking up sound waves propagating in water | Pierre Joanicot | 1996-09-10 |
| 4861297 | Releasable airborne buoy particularly for undersea listening | François Warnan, Joel; Barbot | 1989-08-29 |