Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066090 | Optical coupling element having a convex microlens and the method of manufacture | Holger Karstensen, Ralf Dietrich, Werner Spaeth | 1991-11-19 |
| 4966444 | Feedback-free optical arrangement for converting polarized laser emissions into a convergent beam | Karsten Droegemueller, Ekkehard Klement, Ulrich Deserno | 1990-10-30 |
| 4767171 | Transmission and reception module for a bidirectional communication network | Rudolf Keil, Hans-Ludwig Althaus, Ekkehard Klement | 1988-08-30 |