Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425325 | Oral compositions | Thomas Ritchey, John M. Weaver | 1984-01-10 |
| 4416867 | Oral compositions | Thomas Ritchey, John M. Weaver | 1983-11-22 |
| 4339432 | Oral mouthwash containing zinc and glycine | Thomas Ritchey, John M. Weaver | 1982-07-13 |