Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179595 | Electrodynamic-fluidic transducer element for pneumatic loudspeaker | Ferdinand Pollet | 1993-01-12 |
| 5054080 | Pneumatic loudspeaker with a continuous pressurized fluid flow | Ferdinand Pollet, Jean-Francois Foissey | 1991-10-01 |