Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656291 | Controlled release preparation | Maritta Anneli Pesonen, Gert Ragnarsson | 1997-08-12 |
| 5614218 | Controlled release preparation | Maritta Anneli Pesonen, Gert Ragnarsson | 1997-03-25 |