Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442288 | Anthraquinone compounds | Fritz Meininger, Joachim W. Otten, deceased, by Anna G. Rudolph, heir | 1984-04-10 |
BH
by Ursla Otten, heir
Overall (All Time): #4,032,563 of 4,157,543Top 100%
1
Patents All Time