Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670812 | System for monitoring the operating condition of a switch to prevent overstress | Rudolf Doerfler, Kurt W. Krause, Gerd Kummerow, Boudewijn Moerman, Gerhard Schroether +3 more | 1987-06-02 |