Patents by Inventor David Varney

David Varney 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).

  • Card reader
    Patent number: D637189
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: May 3, 2011
    Assignee: Wincor Nixdorf Limited
    Inventors: Richard Hemming, Stuart Miller, Stuart Saunders, David Varney