Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7795791 | One piece shell high thread spark plug | Richard E. Callahan, Mark S. McMurray | 2010-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7795791 | One piece shell high thread spark plug | Richard E. Callahan, Mark S. McMurray | 2010-09-14 |