Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865845 | Release rate adjustment of osmotic or diffusional delivery devices | James B. Eckenhoff | 1989-09-12 |
| 4863744 | Intestine drug delivery | Felix Theeuwes | 1989-09-05 |
| 4851231 | System for delivering drug in selected environment of use | Felix Theeuwes | 1989-07-25 |
| 4851232 | Drug delivery system with means for obtaining desirable in vivo release rate pattern | Felix Theeuwes | 1989-07-25 |