Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626295 | Injection valve | Joerg Heyse | 1997-05-06 |
| 5599466 | Method for producing perforated valve spray disk | Martin Maier, Jorg Heyse, Christian Preussner | 1997-02-04 |
NB
Norbert Belzner
Overall (1997): #28,703 of 185,788Top 20%
2
Patents 1997