Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346766 | Spark plug for internal combustion engine and method for manufacturing same | Keiji Kanao | 2002-02-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346766 | Spark plug for internal combustion engine and method for manufacturing same | Keiji Kanao | 2002-02-12 |