Granted Patent
Utility
US 4,510,141 · App. 06/417,788
Tricyclic polyazaheterocycles for treating depression or anxiety
Inventor:
Roland Heckendorn
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Sep 13, 1982
Inventor
Roland Heckendorn
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.