Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7190106 | Spark plug with ground electrode having mechanically locked precious metal feature | Michael E. Garrett | 2007-03-13 |
| 7049733 | Spark plug center electrode assembly | James D. Lykowski | 2006-05-23 |
| 7011560 | Spark plug with ground electrode having mechanically locked precious metal feature | Michael E. Garrett | 2006-03-14 |