Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11081865 | Device for setting the electrode gap on a spark plug | — | 2021-08-03 |
| 9979161 | Spark plug having reduced wear of the center electrode and method of making such a spark plug | Chris Schimmel | 2018-05-22 |