Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4189433 | 4-Hydroxy-1,2-benzisothiazoles and their manufacture | Helmut Hagen, Fritz-Frieder Frickel | 1980-02-19 |
UO
Ulrich Ohnsorge
Overall (All Time): #4,106,609 of 4,157,543Top 100%
1
Patents All Time