Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861525 | Method of identifying the length difference between an optical fiber and an envelope | — | 1989-08-29 |
| 4854668 | Light waveguide having three protective layers of plastic material and a method of manufacture | Ernst Mayr, Erich Weil | 1989-08-08 |
| 4839970 | Filling compound for light waveguide leads and/or light waveguide cables | Werner Goetze, Ernst Mayr, Helmut Saller | 1989-06-20 |
| 4841103 | Arrangement for the connection of an intermediate repeater for submarine cables | Wolfgang Giebel | 1989-06-20 |
| 4838635 | Metal-free, self-supporting optical cable | — | 1989-06-13 |
| 4822132 | Optical communications cable | — | 1989-04-18 |
| 4814116 | Method for producing defined light waveguide lengths in an optical fiber cable | Gernot Schoeber, Norbert Sutor | 1989-03-21 |