Granted Patent
Utility
US 4,591,265 · App. 06/664,431
System for contact printing with liquid photopolymers
Inventor:
Donald F. Sullivan
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Oct 24, 1984
Inventor
Donald F. Sullivan
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.