Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5054880 | Method of manufacturing an optical line | — | 1991-10-08 |
| 4534618 | Optical communication cable | — | 1985-08-13 |
| 4392714 | Overhead power cable having light conducting fibers arranged in its interior | Karl-Heinz Nolting, Friedrich Krahn, Gerhard Olejak | 1983-07-12 |