Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881489 | Color coding light wave conductors | Wolfram Klebl, Rainer Bruenn | 1989-11-21 |
| 4811888 | Method and apparatus for manufacturing small diameter, thick walled, cable sheaths | Gerhard Ziemek, Ewald Gunia | 1989-03-14 |