Granted Patent
Utility
US 5,163,075 · App. 07/742,123
Contrast enhancement of electrographic imaging
Inventors:
Anthony R. Lubinsky, John W. May
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Aug 8, 1991
Inventors
Anthony R. Lubinsky
John W. May
Assignee (at issue)
EASTMAN KODAK 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.