Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719901 | Data transmission system with V24 interfaces for control of bi-mode modems | Olivier Le Riche | 1998-02-17 |
| 5058135 | Modulating arrangement for phase and amplitude modulation of a wave | — | 1991-10-15 |
| 4677671 | Method and device for coding a voice signal | Claude Galand | 1987-06-30 |