Granted Patent
Utility
US 6,824,051 · App. 10/163,632
Protected content distribution system
Inventors:
Karimireddy Hari Reddy, Guillermo Lao, Andrej Budo-Marek
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Jun 7, 2002
Inventors
Karimireddy Hari Reddy
Guillermo Lao
Andrej Budo-Marek
Assignee (at issue)
CONTENTGUARD HOLDINGS, INC.
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.