Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582909 | Benzobicyclic lactam acids and derivatives as cognition activators | Donald E. Butler, Fred M. Hershenson | 1986-04-15 |
| 4530929 | Benzotricyclic nitrogen-containing diones and their use in reversing electroconvulsive shock-induced amnesia | Donald E. Butler, Fred M. Hershenson | 1985-07-23 |
| 4525476 | N-[1-oxo-3-(5-oxo-2-pyrrolidinyl)propyl]-alpha-aminoacids and derivatives as cognition activators | Donald E. Butler, Fred M. Hershenson | 1985-06-25 |