Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6108413 | Echo cancellation method and echo canceller implementing such a process | François Capman | 2000-08-22 |
| 5889857 | Acoustical echo canceller with sub-band filtering | François Capman | 1999-03-30 |
| 5848151 | Acoustical echo canceller having an adaptive filter with passage into the frequency domain | François Capman | 1998-12-08 |