Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090739 | End-mills made of hard metal and ceramic combined by brazing method | Evren Baskut | 2021-08-17 |
| 10916921 | Spark plug with improved tightness | Chris Schimmel | 2021-02-09 |
| 10886705 | Spark plug having a center electrode with improved thermal properties | Chris Schimmel, Helene Kasjanow, Hermann Kersting | 2021-01-05 |