Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563065 | Method of adjusting an electrical switch arrangement | Michael Christ, Guido Hirzmann | 2003-05-13 |
| 5369389 | Transformer comprising a plastics coil former | Sieghard Post, Klaus Schutz, Heinrich Theissen | 1994-11-29 |
| 4899260 | Optical conductor body for illuminating indication elements of electrical apparatuses | Mathias Sprengart | 1990-02-06 |