Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509476 | Spark-plug assembly for internal-combustion engine | Erich Breuser, Reinhard Latsch, Gernot Wurfel | 1985-04-09 |
WG
Wilhelm Grozinger
Overall (All Time): #4,012,933 of 4,157,543Top 100%
1
Patents All Time