Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5001722 | Dynamic single-mode laser transmitter | Ekkehard Klement, Evelyn Keil, Hans-Ludwig Althaus | 1991-03-19 |
| 4902091 | Light waveguide feedthrough for optoelectronic modules and method for their manufacture | Hans-Ludwig Althaus, Joachim Bialas, Helmut Haltenorth, Evelyn Keil, Edmund Sobota | 1990-02-20 |