Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337268 | Method of making spark plug casing and spark plug having the spark plug casing | Matthew B. Below | 2012-12-25 |
| 8035286 | Spark plug casing and spark plug having the spark plug casing | Matthew B. Below | 2011-10-11 |