Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839364 | 9-Amino-3,4-dihydroacridines and related compounds useful for enhancing memory | Gregory M. Shutske | 1989-06-13 |
| 4835275 | Method of preparing 9-amino-1,2,3,4,-tetrahydroacridin-1-ones and related compounds | Gregory M. Shutske | 1989-05-30 |