Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323497 | Water-soluble disazo dyestuffs | Ernst Hoyer, Fritz Meininger | 1982-04-06 |
RF
Rudolf Fass
Overall (1982): #32,681 of 81,411Top 45%
1
Patents 1982