Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312062 | System for digitally converting baseband channel signals into a frequency-division multiplex signal and vice versa | Maurice Bellanger | 1982-01-19 |
| 4277843 | Closed-loop telecommunication system | Michel G. A. Duquenne, Guy A. J. David, Jean-Claude Grima | 1981-07-07 |