Inventor
RUSSELL JOHN CHRISTOPHER PARK
US3 patents
Patents
3 patentsUS7676219B2Mar 9, 2010
Digital rights management using a triangulating geographic locating device
MOTION PICTURE ASS OF AMERICA29 citations89
US7450930B2Nov 11, 2008
Digital rights management using a triangulating geographic locating device
MOTION PICTURE ASS OF AMERICA36 citations89
US7555124B2Jun 30, 2009
Secure video system for display adaptor
MOTION PICTURE ASS OF AMERICA6 citations51