Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698327 | Zinc/dentifrice-compatible silica particulates | — | 1997-12-16 |
| 5616316 | Dentifrice-compatible silica particulates | — | 1997-04-01 |
| 5614176 | Dentifrice-compatible silica particulates | — | 1997-03-25 |
| 5614177 | Dentifrice-compatible silica particulates | — | 1997-03-25 |
| 5612020 | Dentifrice-compatible silica particulates | — | 1997-03-18 |