Granted Patent
Utility
US 6,763,124 · App. 10/074,677
Embedding digital watermarks in spot colors
Inventors:
Osama M. Alattar, Alastair M. Reed, Trent J. Brundage
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Feb 11, 2002
Inventors
Osama M. Alattar
Alastair M. Reed
Trent J. Brundage
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.