Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966773 | Topical ophthalmic compositions containing microfine retinoid particles | Philip D. Gressel, Robert E. Roehrs, Henry F. Edelhauser | 1990-10-30 |
| 4826871 | Topical ophthalmic compositions containing one or more retinoids | Philip D. Gressel, Robert E. Roehrs, Henry F. Edelhauser | 1989-05-02 |