Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9548591 | Spark plug insulator having an anti-fouling coating and methods for minimizing fouling | Jing Zheng, Jeffrey T. Boehler, Philip P. Treier | 2017-01-17 |
| 9337627 | Method of applying a coating to a spark plug insulator | Jing Zheng, Jeffrey T. Boehler | 2016-05-10 |