Patents by Inventor Don Wadley

Don Wadley 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).

  • Patent number: 7580144
    Abstract: A method for detecting potential counterfeiting of print cartridges includes transmitting a message regarding date information stored on a print cartridge installed in a printing device, the message being transmitted to a monitoring server.
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: August 25, 2009
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Don Wadley
  • Publication number: 20050206694
    Abstract: A method for detecting potential counterfeiting of print cartridges includes transmitting a message regarding date information stored on a print cartridge installed in a printing device, the message being transmitted to a monitoring server.
    Type: Application
    Filed: March 22, 2004
    Publication date: September 22, 2005
    Inventor: Don Wadley