Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761706 | Method for generating a tripping signal as a function of the magnitude and the duration of an overcurrent | Hans-Eberhard Simmel | 1988-08-02 |
| 4740860 | Method for generating a tripping signal as a function of the magnitude and duration of an overcurrent | Hans-Eberhard Simmel | 1988-04-26 |