Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323554 | Preparation and use of improved pearlescent pigments of high light fastness | — | 1982-04-06 |
HB
Horst Bernhard
Overall (1982): #58,123 of 81,411Top 75%
1
Patents 1982