Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9666392 | Electric switching device | Volker Lehmann, Friedrich Loebner, Andrzej Nowakowski | 2017-05-30 |
| 9484161 | Electrical switching device | Joachim Gericke, Martin Krehnke, Volker Lehmann, Friedrich Loebner | 2016-11-01 |