Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887423 | Method for tinting and further processing of at least one light waveguide | Peter Dotzer, Heinz Glaser, Reinhold Hahn | 1989-12-19 |
| 4857242 | Method for manufacturing a light waveguide cable | Thomas Hoffmann, Helmut Saller | 1989-08-15 |
| 4854668 | Light waveguide having three protective layers of plastic material and a method of manufacture | Ulrich Oestreich, Erich Weil | 1989-08-08 |
| 4839970 | Filling compound for light waveguide leads and/or light waveguide cables | Werner Goetze, Ulrich Oestreich, Helmut Saller | 1989-06-20 |
| 4840454 | Optical cable and method of manufacturing | — | 1989-06-20 |
| 4810429 | Method and apparatus for the manufacture of filled optical transmission elements | — | 1989-03-07 |