Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671313 | Optical cable and method for the manufacture thereof | Ernst Opel, Edgar Heinz | 1997-09-23 |
| 5608832 | Optical cable having a plurality of light waveguides arranged in a prescribed structure and having different mechanical sensitivies | Walter Pfandl, Waldemar Stoecklein, Clemens Unger, Ernst Opel | 1997-03-04 |