Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920104 | Sodium hyaluronate composition | Dale P. DeVore, David A. Swann | 1990-04-24 |
| 4897349 | Biosynthesis of hyaluronic acid | David A. Swann, Gordon Jamieson, Kenneth R. Richardson, Tarlach Singh | 1990-01-30 |