Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873246 | 6-(acylaminoaryl)-3(2H)-pyridazinone derivatives, and their use | Philip A. Rossy, Marco Thyes, Albrecht Franke, Horst Koenig, Hans D. Lehmann +2 more | 1989-10-10 |
LF
Ludwig Friedrich
Overall (1989): #82,783 of 140,708Top 60%
1
Patents 1989