Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11189993 | Spark plug and method for manufacturing a spark plug | Roland Grabner, Manfred Langsenlehner | 2021-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11189993 | Spark plug and method for manufacturing a spark plug | Roland Grabner, Manfred Langsenlehner | 2021-11-30 |