Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9748741 | Spark plug electrode material and spark plug and method for manufacturing the spark plug electrode material and an electrode for the spark plug | Lars Menken, Juergen Oberle, Jochen Boehm | 2017-08-29 |
| 9166380 | Spark plug electrode material and spark plug | — | 2015-10-20 |