Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339658 | Method and a device for monitoring and minimizing light losses at a splicing location for glass fiber cables | Ingrid Fromm | 1982-07-13 |
| 4321703 | Transmission system for telecopying and electronic transmission of in-house mail | Heinz Schwaertzel | 1982-03-23 |