Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904035 | Coupling device for guiding a light beam | Johannes Rybach | 1990-02-27 |
| 4673291 | Method of and device for measuring the attenuation in optical waveguides | — | 1987-06-16 |