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 | Joachim Grünberger | 1997-02-18 |
DS
Dietmar Schwarzenthal
Overall (1997): #159,116 of 185,788Top 90%
1
Patents 1997