Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722337 | Spark ignition internal combustion engine | — | 2004-04-20 |
| 5107168 | Spark plug with central electrode attachment member containing platinum or platinum alloy | Auer Reinhart, Kranabetter Georg | 1992-04-21 |