Granted Patent
Utility
US 4,965,074 · App. 07/232,266
Method of treating memory impairment
Inventor:
Lewis J. Leeson
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Aug 15, 1988
Inventor
Lewis J. Leeson
Assignee (at issue)
Ciba-Geigy
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.