Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000939 | Dentifrice containing stabilized enzyme | Timothy Dring, Diane McPherson | 1991-03-19 |
| 4537765 | Peroxydiphosphate toothpaste composition | Abdul Gaffar, Calvin B. Davis, John J. Donohue | 1985-08-27 |