Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844729 | Substituted N-phenylpyridazone derivatives | Rainer Becker, Ulrich Wriede, Ulrich Schirmer, Bruno Wuerzer, Norbert Meyer | 1989-07-04 |
AP
Adolf Parg
Overall (1989): #135,029 of 140,708Top 100%
1
Patents 1989