Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7014870 | Compositions of oak bark extract related synthetic compositions and method of using same | David Hon | 2006-03-21 |
| 6149947 | Compositions of oak bark extract related synthetic compositions and method of using same | David Hon | 2000-11-21 |
| 5080900 | Treatment of skin ulcers with an aqueous extract of oak bark ash | — | 1992-01-14 |