Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837111 | Dosage form for dispensing drug for human therapy | Patrick S. L. Wong, Brian L. Barclay, Felix Theeuwes, David R. Swanson | 1989-06-06 |
| 4814180 | Agent dispenser comprising a semipermeable wall surrounding single-piece or two-piece container | James B. Eckenhoff, Felix Theeuwes | 1989-03-21 |
| 4800056 | Process for making dispenser with cooperating elements | James B. Eckenhoff, Felix Theeuwes | 1989-01-24 |