Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151578 | System for broadcast of data in an audio signal by substitution of imperceptible audio band with data | Denis Masse, Bruno Jahan | 2000-11-21 |
| 5216717 | Frequency modulation broadcast transmitter synchronization method | Alain Komly, Michel Seguin | 1993-06-01 |
| 4204432 | Acoustic insulation measurement apparatus | Jean Pujolle | 1980-05-27 |