Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886499 | Portable injection appliance | Giorgio Cirelli, Christian Surber | 1989-12-12 |
| 4882164 | Parenteral micelle solutions | Alberto Ferro | 1989-11-21 |
HS
Hans Steffen
Overall (1989): #26,458 of 140,708Top 20%
2
Patents 1989