Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957339 | Optical communication system, particularly in the subscriber area | Heinz Krimmel | 1990-09-18 |
| 4910727 | Optical transceiver having waveguide couplers for filtering and duplexing transmit and receive wavelengths | — | 1990-03-20 |
| 4739501 | Optical multiplexer/demultiplexer | — | 1988-04-19 |