Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10418789 | Spark plug with a suppressor that is formed at low temperature | Shuwei Ma, William J. Walker, Jr., Michael Saccoccia | 2019-09-17 |
| 9893495 | Spark plug with improved seal | William J. Walker, Jr. | 2018-02-13 |
| 9751797 | Corona ignition device with improved seal | William J. Walker, Jr., Patrick Durham, James D. Lykowski | 2017-09-05 |
| 9685767 | Corona ignition device with improved seal | William J. Walker, Jr., Patrick Durham, James D. Lykowski | 2017-06-20 |
| 9651306 | Method for drying seal materials for ignition devices | — | 2017-05-16 |
| 9407069 | Spark plug with improved seal | William J. Walker, Jr. | 2016-08-02 |