Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344879 | Quaternary and basic azamethine compounds and their use as colorants | Manfred Hahnke | 1982-08-17 |
RM
Reinhard Mohr
Overall (1982): #37,138 of 81,411Top 50%
1
Patents 1982