Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875750 | Optoelectronic coupling element and method for its manufacture | Werner Spaeth, Werner Kuhlmann, Hans-Ludwig Althaus, Rolf Birkmann, Waltraud Klos +1 more | 1989-10-24 |
| 4810277 | Method for fastening a glass fiber to a light wave guide component | Karl Geim, Hans-Ludwig Althaus, Waltraud Klos | 1989-03-07 |