Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871548 | Controlled release dosage form comprising different cellulose ethers | Judy A. Magruder, Gurdish K. Bhatti | 1989-10-03 |
| 4814181 | Dosage form comprising fast agent delivery followed by slow agent delivery | Maureen L. Jordan, Atul D. Ayer, Paul R. Magruder | 1989-03-21 |