Similar marks
Trademarks named ngk spark plugs
Published USPTO records whose mark name matches “ngk spark plugs”. Compare owners, classes, and §2(d) citations on each live serial page.
Showing 1–2 of 2
| Serial | Mark |
|---|---|
| 75750847 | NGK SPARK PLUGS |
| 73665421 | NGK SPARK PLUGS |