Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820860 | Novel thyronine derivatives | Hans Wissmann, Guido Simons | 1989-04-11 |
| 4814484 | Thyronine derivatives | Hans Wissmann, Henning Hachmann, Guido Simons | 1989-03-21 |
HS
Helmut Strecker
Overall (1989): #26,134 of 140,708Top 20%
2
Patents 1989