Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617895 | Hydraulic control valve | Berthold Pfuhl, Friedhelm Zehner | 1997-04-08 |
JZ
Joachim Zumbraegel
Overall (1997): #125,021 of 185,788Top 70%
1
Patents 1997