Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857242 | Method for manufacturing a light waveguide cable | Thomas Hoffmann, Ernst Mayr | 1989-08-15 |
| 4839970 | Filling compound for light waveguide leads and/or light waveguide cables | Werner Goetze, Ernst Mayr, Ulrich Oestreich | 1989-06-20 |