Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617858 | Method and circuit for measuring a current | Ulrich Baumgaertl, Holger Hochgraef | 2003-09-09 |
| 6603649 | Electronic tripping device for a circuit breaker | Thomas Müller, Ulrich Baumgartl, Holger Hochgraef | 2003-08-05 |