Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599466 | Method for producing perforated valve spray disk | Martin Maier, Norbert Belzner, Christian Preussner | 1997-02-04 |
JH
Jorg Heyse
Overall (1997): #128,745 of 185,788Top 70%
1
Patents 1997