Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823841 | Ignition system for internal combustion engines | — | 2004-11-30 |
| 6550463 | Method and switching system for the ignition of an internal combustion engine | — | 2003-04-22 |
| 5969480 | Ignition system with a field emitter coupled to the spark plug | Norbert Marschall | 1999-10-19 |