Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847264 | Bicyclic nitrogen heterocyclic ethers and thioethers, and their pharmaceutical uses | Henry F. Campbell, Donald E. Kuhla, William L. Studt | 1989-07-11 |
| 4816583 | 3- and 5-(bicyclic ether or bicyclic alkylene thioether) alkylene amino thiatriazines | Donald E. Kuhla, Henry F. Campbell, William L. Studt, Robert A. Galemmo, Jr., Pamela J. Durham | 1989-03-28 |