Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970706 | Flextensor transducer | Michel Letiche | 1990-11-13 |
| 4811307 | Tonpilz type piezoelectric transducer capable of operating alternately as wideband receiver and emitter | Charles Pohlenz, Didier Boucher | 1989-03-07 |
| 4752918 | Electrio-acoustic transducers | Didier Boucher, Charles Pohlenz | 1988-06-21 |
| 4287582 | Piezo transducers with mechanical amplification for very low frequencies, and acoustic antennas | — | 1981-09-01 |
| 4197920 | Underwater acoustic reflectors | Philippe Cluzel, Michel Georges Quivy | 1980-04-15 |