Granted Patent
Utility
US 6,751,320 · App. 09/882,279
Method and system for preventing reproduction of professional photographs
Inventor:
Geoffrey B. Rhoads
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Jun 14, 2001
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.