Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33167 | Circuit arrangement for monitoring speed of a drive motor | Rolf Muller | 1990-02-20 |
| 4544852 | Circuit arrangement for monitoring speed of a drive motor | Rolf Muller | 1985-10-01 |