Granted Patent
Utility
US 6,804,378 · App. 10/366,541
Methods and products employing biometrics and steganography
Inventor:
Geoffrey B. Rhoads
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Feb 12, 2003
Inventor
Geoffrey B. Rhoads
Assignee (at issue)
Digimarc 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.