Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521216 | Disazo dyes | Johannes P. Dix, Guenter Hansen, Georg Zeidler | 1985-06-04 |
HA
Herbert Armbrust
Overall (All Time): #4,016,111 of 4,157,543Top 100%
1
Patents All Time