Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10468856 | Spark plug device and method of manufacturing spark plug device | Andreas Zeh | 2019-11-05 |
| 10439369 | Method for producing an electrode device for a spark plug | Matthias Blankmeister | 2019-10-08 |
| 10320156 | Spark plug and method for manufacturing same | Marko Schwesinger | 2019-06-11 |