Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702727 | Compositions and methods for the oral delivery of active agents | Heechung Yang | 1997-12-30 |
| 5620708 | Compositions and methods for the oral delivery of active agents | Heechung Yang | 1997-04-15 |