Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358705 | Use of N-acetylated amino acid complexes in oral care compositions | John R. Wietfeldt | 1994-10-25 |
| 5286480 | Use of N-acetylated amino acid complexes in oral care compositions | John R. Wietfeldt | 1994-02-15 |