Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485272 | Acoustic feedback cancelling electro-acoustic transducer network | Emmanuel Lefort, Maurice Bellanger | 1984-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4485272 | Acoustic feedback cancelling electro-acoustic transducer network | Emmanuel Lefort, Maurice Bellanger | 1984-11-27 |