Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867969 | Hydrogel formulation for administering non-steroidal drugs | Paul R. Magruder, Patrick S. L. Wong, Felix Theeuwes | 1989-09-19 |
| 4859470 | Dosage form for delivering diltiazem | Patrick S. L. Wong, Felix Theeuwes, Richard Cortese | 1989-08-22 |
| 4801461 | Pseudoephedrine dosage form | Larry Hamel, Felix A. Landrau, Patrick S. L. Wong | 1989-01-31 |