Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373172 | Spark plug for internal combustion engine having a straight pillar ground electrode | Keiji Kanao | 2002-04-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373172 | Spark plug for internal combustion engine having a straight pillar ground electrode | Keiji Kanao | 2002-04-16 |