Granted Patent
Utility
US 4,306,065 · App. 06/105,161
2-Aryl-4-substituted quinazolines
Inventor:
Ying-Ho Chen
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Dec 19, 1979
Inventor
Ying-Ho Chen
Assignee (at issue)
A. H. Robins Company, Incorporated
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.