Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665374 | Ultramulsion containing interdental delivery devices | Ira D. Hill, Peter P. Walters | 1997-09-09 |
| 5651959 | Ultramulsion based oral care compositions | Ira D. Hill, Peter P. Walters | 1997-07-29 |
| 5645841 | Ultramulsion based oral care rinse compositions | Ira D. Hill, Peter P. Walters | 1997-07-08 |