Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851215 | Pantethine component for hair permanent waving | Geoffrey Hawkins, David Yeung | 1989-07-25 |
| 4839164 | Trehalose containing cosmetic composition and method of using it | — | 1989-06-13 |