Granted Patent
Utility
US 5,530,751 · App. 08/269,807
Embedded hidden identification codes in digital objects
Inventor:
Dale Morris
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Jun 30, 1994
Inventor
Dale Morris
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.