Granted Patent
Utility
US 4,880,822 · App. 07/171,102
N-(pyridinyl)-1H-indol-1-amines
Inventors:
Richard C. Effland, Joseph T. Klein
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Apr 4, 1988
Inventors
Richard C. Effland
Joseph T. Klein
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.