Granted Patent
Utility
US 6,778,679 · App. 09/721,224
Method for steganographic decoding
Inventor:
John C. Handley
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Nov 22, 2000
Inventor
John C. Handley
Assignee (at issue)
Xerox Corporation
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.