Granted Patent
Utility
US 5,546,474 · App. 08/171,551
Detection of photo regions in digital images
Inventor:
Oscar Zuniga
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Dec 21, 1993
Inventor
Oscar Zuniga
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.