Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803754 | Power sensor | Toralf Bratfisch, Arnd Diestelhorst, Michael Katzer | 2004-10-12 |
| 6794881 | Arrangement for measuring the root mean square of a power frequency voltage across a large dynamic range, especially for measuring electrical output | Toralf Bratfisch | 2004-09-21 |