Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888081 | Device for positioning and fastening a lightwave guide to a base | Hans-Ludwig Althaus, Werner Spaeth | 1989-12-19 |
| 4875750 | Optoelectronic coupling element and method for its manufacture | Werner Spaeth, Guenther Waitl, Hans-Ludwig Althaus, Rolf Birkmann, Waltraud Klos +1 more | 1989-10-24 |
| 4857746 | Method for producing an optocoupler | Werner Spaeth, Guenter Waitl, Joerg Klann | 1989-08-15 |