Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045559 | Treatment of skin disorders | — | 1991-09-03 |
| 4986982 | Cosmetic composition | — | 1991-01-22 |
| 4774255 | Pyroglutamic acid esters, their synthesis and use in topical products | John G. Black | 1988-09-27 |