Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693999 | Multiple gap spark plug for internal combustion engine | Keiji Kanao | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693999 | Multiple gap spark plug for internal combustion engine | Keiji Kanao | 1997-12-02 |