Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9972978 | Spark plug gasket and method of attaching the same | Kevin J. Kowalski | 2018-05-15 |
| 9893496 | Spark plug having improved ground electrode orientation and method of forming | Nathan A. Thomson, Kevin J. Kowalski | 2018-02-13 |