Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883667 | Process for forming dispensing device | — | 1989-11-28 |
| 4874388 | Multi-layer delivery system | Patrick S. L. Wong, Felix Theeuwes | 1989-10-17 |
| 4871544 | Ruminant dispensing device | — | 1989-10-03 |
| 4867982 | Transdermal drug delivery device | Patricia S. Campbell, Virgil A. Place | 1989-09-19 |
| 4865598 | Dispensing system for administering beneficial agent | — | 1989-09-12 |
| 4865845 | Release rate adjustment of osmotic or diffusional delivery devices | John Urquhart | 1989-09-12 |
| 4855141 | Device comprising means for protecting and dispensing fluid sensitive medicament | Judy A. Magruder, Richard Cortese, John R. Peery, Jeremy C. Wright | 1989-08-08 |
| 4844984 | Dispensing system with means for increasing delivery of beneficial agent from the system | Richard Cortese, Felix A. Landrau | 1989-07-04 |
| 4824675 | Dispenser with movable matrix comprising a plurality of tiny pills | Patrick S. L. Wong, Felix Theeuwes, Richard Cortese | 1989-04-25 |
| 4814180 | Agent dispenser comprising a semipermeable wall surrounding single-piece or two-piece container | Felix Theeuwes, Joseph C. Deters | 1989-03-21 |
| 4800056 | Process for making dispenser with cooperating elements | Felix Theeuwes, Joseph C. Deters | 1989-01-24 |