Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10090649 | Spark plug having a powder capsule | Oliver Berkemeier, Helmut Hans Ruhland, Bernd Steiner | 2018-10-02 |
| 10066594 | Internal combustion engine having a spark plug | Bernd Steiner, Oliver Berkemeier, Jan Mehring | 2018-09-04 |