Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429133 | Method and apparatus for generating an ion current between electrodes of a spark plug | Ganghua Ruan, Stefan Heinzelmann, Dirk Wüstenhagen, Ulrich Schonauer | 2016-08-30 |