Patents Assigned to ContentGuardiHoldings, Inc.
  • Patent number: 7028009
    Abstract: An enforceable property right and a system for controlling the manner of use of an item in accordance with usage rights. The enforceable property right includes an item ticket having a security mechanism incorporated therein and specifying an item for which the item ticket can be redeemed and a license associated with the item ticket. The license includes usage rights specifying a manner of use for redeeming the item ticket and a mechanism for unlocking said security mechanism.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: April 11, 2006
    Assignee: ContentGuardiHoldings, Inc.
    Inventors: Xin Wang, Bijan Tadayon, Thomas DeMartini, Michael Raley, Guillermo Lao, Eddie Chen, Charles P. Gilliam