Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698182 | Dentifrice composition containing calcium peroxide having heightened tooth whitening effect | Michael Prencipe, Vincent O. Drago | 1997-12-16 |
| 5601803 | Silica abrasive dentifrice of reduced stringless and improved flavor | Michael Prencipe, Julie Burke, Linda J. Vellekoop | 1997-02-11 |