Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612586 | Spark plug for internal combustion engines | Dittmar Klett, Dietrich Trachte, Hermann Kersting, Roland Mueller, Jochen Fischer | 1997-03-18 |
WB
Walter Benedikt
Overall (1997): #62,241 of 185,788Top 35%
1
Patents 1997