Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707838 | Current supply for radiation sources of frequency-proportional optical sensors | Joachim Schroder | 1987-11-17 |
| 4703472 | Wavelength multi/demultiplexer | Martin Blumentritt, Reinhold Bittner | 1987-10-27 |
| 4634215 | Wavelength multi/demultiplexer | — | 1987-01-06 |