Granted Patent
Utility
US 4,620,973 · App. 06/745,335
Use of nootropics
Inventor:
Peter Truog
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Jun 14, 1985
Inventor
Peter Truog
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.