Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786503 | Dosage form comprising parallel lamine | Judy A. Magruder, Gurdish K. Bhatti | 1988-11-22 |
| 4587117 | Medical device for delivering drug to pH environments greater than 3.5 | Patrick S. L. Wong, Felix Theeuwes | 1986-05-06 |
| 4553973 | Process for preparing osmotic device | — | 1985-11-19 |
| 4522625 | Drug dispenser comprising wall formed of semipermeable member and enteric member | — | 1985-06-11 |
| 4519801 | Osmotic device with wall comprising cellulose ether and permeability enhancer | — | 1985-05-28 |
| 4503030 | Device for delivering drug to certain pH environments | Patrick S. L. Wong, Felix Theeuwes | 1985-03-05 |
| 4484921 | Theophylline therapy utilizing osmotic delivery | David R. Swanson | 1984-11-27 |
| 4439195 | Theophylline therapy | David R. Swanson | 1984-03-27 |
| 4326525 | Osmotic device that improves delivery properties of agent in situ | David R. Swanson | 1982-04-27 |