Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004596 | Anhydrous toothpaste or dental cream composition | Francis E. Cocherell, George Hsieh | 1991-04-02 |
| 4812306 | Toothpaste or dental cream composition and method of preparing same | Francis E. Cocherell, George Hsieh | 1989-03-14 |