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 | Reinhard Mohr | 1982-08-17 |
MH
Manfred Hahnke
Overall (1982): #44,860 of 81,411Top 60%
1
Patents 1982