Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10312668 | Spark plug having firing pad | Kevin J. Kowalski, Frederick J. Quitmeyer, Nathan A. Thomson, Richard L. Keller | 2019-06-04 |
| 9673593 | Spark plug having firing pad | Kevin J. Kowalski, Frederick J. Quitmeyer, Nathan A. Thomson, Richard L. Keller | 2017-06-06 |
| 9368943 | Spark plug having multi-layer sparking component attached to ground electrode | Kevin J. Kowalski, Frederick J. Quitmeyer, Nathan A. Thomson, Richard L. Keller | 2016-06-14 |
| 9318879 | Spark plug having firing pad | Kevin J. Kowalski, Frederick J. Quitmeyer, Nathan A. Thomson, Richard L. Keller | 2016-04-19 |
| 9130356 | Spark plug having a thin noble metal firing pad | Kevin J. Kowalski, Frederick J. Quitmeyer, Nathan A. Thomson, Richard L. Keller | 2015-09-08 |
| 9041274 | Spark plug having firing pad | Kevin J. Kowalski, Frederick J. Quitmeyer, Nathan A. Thomson, Richard L. Keller | 2015-05-26 |