Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9111707 | Installation switching device with a current sensing unit | Adelbert Schalk | 2015-08-18 |
| 8447545 | Module for measuring the current flowing in a conductor distribution of a low-voltage distribution board | Adelbert Schalk, Harm Deroo | 2013-05-21 |