Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365132 | Methods and compositions for whitening teeth | Gary D. Hack, David C. Greenspan | 2002-04-02 |
| 6338751 | Compositions containing bioactive glass and their use in treating tooth hypersensitivity | Gary D. Hack, David C. Greenspan | 2002-01-15 |