Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867982 | Transdermal drug delivery device | James B. Eckenhoff, Virgil A. Place | 1989-09-19 |
| 4832953 | Method for preventing the formation of a crystalline hydrate in a dispersion of a liquid in a monaqueous matrix | David J. Enscore, Robert M. Gale, Arnold S. Kaufman | 1989-05-23 |
| 4816258 | Transdermal contraceptive formulations | Diane E. Nedberge, Robert M. Gale, Su Il Yum | 1989-03-28 |