Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632972 | Method for treating gingival and periodontal tissues | David Robert Williams, Christine W. Ryles | 1997-05-27 |
| 5616313 | Method for treating gingival and periodontal tissues | David Robert Williams, Christine W. Ryles | 1997-04-01 |
| 5614201 | Cosmetic composition for treatment of pimples and redness | Craig Stephen Slavtcheff, Vispi Kanga, Michael Charles Cheney, Alexander Paul Znaiden | 1997-03-25 |