Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952770 | Spark plug for internal combustion engine | Roland Mueller, Richard Adamczuk, Werner Herden, Manfred Vogel, Walter Benedikt +5 more | 1999-09-14 |
HH
Hans-Dieter Herde
Overall (All Time): #3,660,432 of 4,157,543Top 90%
1
Patents All Time