Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641376 | Multi-channel multi-cell optoelectronic switching networks for multi-service telecommunications systems | Yves Robin-Champigneul | 1987-02-03 |
| 4577311 | Packet-based telecommunication system | Jean F. Duquesne | 1986-03-18 |
| 4549313 | Supervisory device for an optoelectronic switching network | — | 1985-10-22 |
| 4437190 | Device for switching signals by optical means and automatic switching units comprising said device | Yves Robin-Champigneul | 1984-03-13 |