Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170447 | Optical communication system with a fiber-optic amplifier | — | 1992-12-08 |
| 5162937 | Optical cable television transmission system | Heinz Krimmel | 1992-11-10 |
| 5128790 | Optical cable television transmission system | Heinz Krimmel, Berthold Wedding | 1992-07-07 |
| 5111334 | Multi-stage fiber-optic amplifier | — | 1992-05-05 |
| 5091985 | Optical signal connection device for units to be inserted in a rack | — | 1992-02-25 |
| 5058102 | Broadband optical communication system, particularly for the subscriber area | — | 1991-10-15 |