78472858
Aug 24, 2004
Oct 28, 2008
Anti-piracy computer hardware, software, and devices for the purpose of preventing unauthorized copying, distribution, and display of audio and video media content by electronically embedding identification and copy prevention information in said content that permits users to identify and track unauthorized copies
Electrical and Scientific ApparatusElectronic content protection services for others, namely, preventing unauthorized copying, distribution, and display of audio and video media content for others by electronically embedding identification and copy prevention information in said content that permits users to identify and track unauthorized copies
Computer and Scientific