Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344929 | Method of delivering drug with aid of effervescent activity generated in environment of use | Pieter Bonsen, Patrick S. L. Wong | 1982-08-17 |
| 4331728 | Laminate made of a cellulose acetate layer and an elastomeric material layer | — | 1982-05-25 |
| 4327725 | Osmotic device with hydrogel driving member | Richard Cortese | 1982-05-04 |
| 4320759 | Dispenser with diffuser | — | 1982-03-23 |
| 4309996 | System with microporous releasing diffusor | — | 1982-01-12 |