Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885154 | Method for reducing sensitization or irritation in transdermal drug delivery and means therefor | Michel Cormier, Philip W. Ledger, Alfred Amkraut | 1989-12-05 |
| 4814171 | Novel cosmetic compositions | — | 1989-03-21 |