Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603293 | Tappet for a switchable valve of an internal combustion engine | Dietmar Schwarzenthal | 1997-02-18 |
JG
Joachim Grünberger
Overall (1997): #129,009 of 185,788Top 70%
1
Patents 1997