Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653559 | Underground housing for telecommunication device | Wolfgang Wenski, Hans-Holger Freckmann, Zbigniew Wielgolaski, Gunter Kochsmeier, Eberhard Gerwald +2 more | 1997-08-05 |