Granted Patent
Utility
US 4,914,709 · App. 07/360,967
Method for identifying unrecognizable characters in optical character recognition machines
Inventor:
Peter Rudak
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Jun 2, 1989
Inventor
Peter Rudak
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.