Patents by Inventor Todd Warden

Todd Warden 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).

  • Authentication of merchandise units
    Patent number: 7322520
    Abstract: A system for authenticating a merchandise unit includes a memory for storing an electronic product code obtained from and identifying the merchandise unit, and a sensor for detecting an attribute of a marking medium associated with the merchandise unit. The system is configured to output data representative of the attribute and the identity of the merchandise unit.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: January 29, 2008
    Assignee: Markem Corporation
    Inventors: Todd Warden, Paul Mills
  • Authentication of merchandise units
    Publication number: 20060226219
    Abstract: A system for authenticating a merchandise unit includes a memory for storing an electronic product code obtained from and identifying the merchandise unit, and a sensor for detecting an attribute of a marking medium associated with the merchandise unit. The system is configured to output data representative of the attribute and the identity of the merchandise unit.
    Type: Application
    Filed: April 12, 2005
    Publication date: October 12, 2006
    Inventors: Todd Warden, Paul Mills