Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752952 | Subscriber circuit link interface for an automatic telephone exchange | Raphael Roux, Bernard Gilles | 1988-06-21 |
| 4595797 | Ringing signal generator for a subscriber telephone set | Bernard Gilles, Raphael Roux | 1986-06-17 |
| 4387277 | Four wire to two wire converter | Bernard Gilles, Raphael Roux | 1983-06-07 |