Granted Patent
Utility
US 6,647,129 · App. 10/142,260
Method and system for encoding image and audio content
Inventor:
Geoffrey B. Rhoads
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: May 8, 2002
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.