Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239204 | Electronic proximity switch dependent upon a magnetic field | Jens Mueller | 1993-08-24 |
| 4719362 | Electronic proximity switch dependent upon a magnetic field | Jens Müller | 1988-01-12 |