Granted Patent
Utility
US 4,408,343 · App. 06/238,972
Image enhancement for optical character readers
Inventors:
Jimmie Neill, Nathaniel Webb, Norman F. Hartig
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Feb 27, 1981
Inventors
Jimmie Neill
Nathaniel Webb
Norman F. Hartig
Assignee (at issue)
Burroughs, Inc.
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.