Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668784 | Threaded insert for tapered seat spark plug bores, installation tools, and method of installation | Michael L. Shiffermiller | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668784 | Threaded insert for tapered seat spark plug bores, installation tools, and method of installation | Michael L. Shiffermiller | 2003-12-30 |