Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207619 | Oxidic superconductor with a bismuth phase of the 2223 type and method of manufacture thereof | Bernhard Fischer | 2001-03-27 |
| 6025568 | Electric switch | Alois Schaeffeler | 2000-02-15 |
| 5798584 | Electric switch, especially for electric hand tools | Alois Schaeffeler, August Geiger | 1998-08-25 |
| 5239204 | Electronic proximity switch dependent upon a magnetic field | Andreas Nest | 1993-08-24 |
| 4841163 | Proximity switch immune to interference fields | — | 1989-06-20 |