Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990248 | Insulation alement and toroidal core throttle | Günter Feist, Karl Niklas | 2011-08-02 |
| 7280027 | Toroidal core and method for producing the same | Josef Feth, Günter Feist | 2007-10-09 |