Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493076 | Security system for a distributed control exchange | Abdel-Cader Khimeche | 1985-01-08 |
| 4451708 | Spare subscriber terminal apparatus | Christian Coppens, Michel Billot | 1984-05-29 |
| 4238649 | Call simulator | — | 1980-12-09 |