Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860294 | Integrated-optical arrangement for bidirectional optical message or signal transmission | Gerhard Winzer, Lothar Stoll | 1989-08-22 |
| 4815081 | Arrangement for controlling or regulating an emission wavelength and emitted power of a semiconductor laser | Hans Mahlein, Meinrad Schienle | 1989-03-21 |