Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847261 | Alkoxy cycloalkanol esters of dihydrolysergic acid having peripheral serotonin antagonists properties | William L. Garbrecht, Gifford P. Marzoni | 1989-07-11 |
| 4845224 | Cycloalkanol esters of dihydrolysergic acid having peripheral serotonin antagonist properties | William L. Garbrecht, Gifford P. Marzoni, C. John Parli | 1989-07-04 |
| 4810710 | 4-hydroxycyclohexyl 1-isopropyl-9,10-dihydro-lysergate for the treatment of migraine | Marlene L. Cohen, Ray W. Fuller, William L. Garbrecht | 1989-03-07 |