Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307932 | Arrangement for detecting a branched off signal | — | 1981-12-29 |
| 4306765 | Branch component comprising optical light waveguides | Hans Mahlein, Achim Reichelt | 1981-12-22 |
| 4302071 | Adjustable directional coupler for light waveguides | — | 1981-11-24 |
| 4285571 | Branching device | — | 1981-08-25 |