Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369328 | Spark plug having Y-shaped or V-shaped electrodes | Friedrich Gruber, Reinhard Auer, deceased | 1994-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369328 | Spark plug having Y-shaped or V-shaped electrodes | Friedrich Gruber, Reinhard Auer, deceased | 1994-11-29 |