Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911305 | Ignition coil | Stefan Grözinger, Lothar Detels, Markus Weimert, Tim Skowronek | 2011-03-22 |
| 6227186 | Ignition system for an internal combustion engine | Christian Bonnefoit | 2001-05-08 |