Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5818152 | Spark plug for an internal combustion engine | Dittmar Klett, Jurgen Wurth, Oswald Glaser, Hermann Kersting, Roland Muller | 1998-10-06 |
GB
Gunter Bolduan
Overall (All Time): #3,698,797 of 4,157,543Top 90%
1
Patents All Time