Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5553594 | Controllable ignition system | Karsten Ehlers, Andreas Sprysch | 1996-09-10 |
| 4558675 | Electronic ignition system for gasoline internal combustion engines | Willy Minner, Heinz-Hermann Spies | 1985-12-17 |