Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543662 | Optical beam switching device and telephone exchange comprising a device of this kind | Jean-Pierre Huignard | 1985-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543662 | Optical beam switching device and telephone exchange comprising a device of this kind | Jean-Pierre Huignard | 1985-09-24 |