Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702518 | Gold pigments | Reiner Vogt, Gerhard Pfaff | 1997-12-30 |
KB
Klaus Bernhard
Overall (1997): #117,614 of 185,788Top 65%
1
Patents 1997