Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839157 | Stable hydrogen peroxide dental gel containing fumed silicas | Shirley Mei-King Ng | 1989-06-13 |
| 4788052 | Stable hydrogen peroxide dental gel containing fumed silicas | Shirley M. Ng | 1988-11-29 |