Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599402 | Metal complex dyes containing azo azomethine groups | Johannes Dehnert | 1986-07-08 |
WJ
Werner Junemann
Overall (All Time): #3,998,412 of 4,157,543Top 100%
1
Patents All Time