Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861591 | Formulations for hygroscopic pharmaceuticals | Richard P. Weierstall, Kathleen L. Brunelle, Gerard F. Thone, Ronald N. Warner | 1989-08-29 |
| 4820525 | Transdermal drug delivery system | Thomas W. Leonard, Karol K. Mikula | 1989-04-11 |