Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328498 | Method for producing the surface geometry of solenoids | Peter Eckl, Johann Hofrichter, Matthias Knab, Norbert Mitlmeier, Norbert Zimmermann | 2008-02-12 |
| 6005202 | Switching device having an unlocking device | Johann Drexler, Norbert Sörgel | 1999-12-21 |
| 5959519 | Electromagnetic switching device | Norbert Sörgel, Hans Pfab | 1999-09-28 |