Granted Patent
Utility
US 5,175,296 · App. 07/663,110
Imidazo[4,5-c]quinolin-4-amines and processes for their preparation
Inventor:
John F. Gerster
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Mar 1, 1991
Inventor
John F. Gerster
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.