Patents by Inventor William Christopher Russell

William Christopher Russell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for electronic ticket purchasing and redemption
    Publication number: 20030229790
    Abstract: A system and method for purchasing, issuing and redeeming electronic tickets using portable information device (“PID”) technology. Utilizing the accessibility, convenience, and fraud protection features of PIDs, embodiments of the present invention store identification information on a user's PID, and then, utilizing a ticket server and an authentication device, provide mechanisms to access the PID in order to authenticate and/or validate the user.
    Type: Application
    Filed: April 30, 2003
    Publication date: December 11, 2003
    Inventor: William Christopher Russell