Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340590 | Delivery system with bilayer osmotic engine | Patrick S. L. Wong, Felix Theeuwes, James B. Eckenhoff, Hoa T. Huynh | 1994-08-23 |
| 5312388 | Osmotic device for delayed delivery of agent | Patrick S. L. Wong, Felix Theeuwes | 1994-05-17 |