Granted Patent
Utility
US 5,187,165 · App. 07/247,826
Memory enhancing and analgesic 1,2,3a,8,8a-hexahydro-3a,8(and 1,3a,8)-di(and tri)methylpyrrolo[2,3-b]indoles
Inventors:
Russell R. L. Hamer, Grover C. Helsley, Edward J. Glamkowski, Yulin Chiang, Brian S. Freed, Barbara E. Kurys
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Sep 22, 1988
Inventors
Russell R. L. Hamer
Grover C. Helsley
Edward J. Glamkowski
Yulin Chiang
Brian S. Freed
Barbara E. Kurys
Assignee (at issue)
Hoechst Roussel Pharmaceuticals
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.