Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695781 | Sustained release formulation containing three different types of polymers | Guohua Zhang | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695781 | Sustained release formulation containing three different types of polymers | Guohua Zhang | 1997-12-09 |