Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863742 | Controlled absorption pharmaceutical composition | Edward J. Geoghegan | 1989-09-05 |
| 4826688 | Controlled absorption pharmaceutical formulation | Edward J. Geoghegan | 1989-05-02 |
| 4822617 | Drug delivery device | — | 1989-04-18 |
| 4820521 | Sustained absorption pharmaceutical composition | Edward J. Geoghegan | 1989-04-11 |