Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885311 | Topical transretinoids for treatment of acne and skin diseases | William P. Purcell | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885311 | Topical transretinoids for treatment of acne and skin diseases | William P. Purcell | 1989-12-05 |