Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871548 | Controlled release dosage form comprising different cellulose ethers | David E. Edgren, Gurdish K. Bhatti | 1989-10-03 |
| 4855141 | Device comprising means for protecting and dispensing fluid sensitive medicament | James B. Eckenhoff, Richard Cortese, John R. Peery, Jeremy C. Wright | 1989-08-08 |