Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623664 | Oil suspended phenylephrine | Du-Shieng Chien | 1986-11-18 |
| 4483864 | Non-classical topical treatment for glaucoma | Charles F. Barfknecht | 1984-11-20 |
| 4483872 | Non-classical topical treatment for glaucoma using n-substituted sulfonamides | Charles F. Barfknecht | 1984-11-20 |
| 4407792 | Sustained release ophthalmic drug dosage | Robert E. Roehrs | 1983-10-04 |
| 4271143 | Sustained release ophthalmic drug dosage | Robert E. Roehrs | 1981-06-02 |