Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6566813 | Overvoltage protection device with concentric arcing horns | Eberhard Lehmann, Joachim Schimanski, Jörg Tews, Martin Wetter | 2003-05-20 |
| 6529360 | Overvoltage protection element system | Gerd Kracht, Eberhard Lehmann, Joachim Schimanski, Martin Wetter | 2003-03-04 |