Patents by Inventor Don Joyce

Don Joyce 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: 6176430
    Abstract: A wallet card adapted for use in reading externally stored information includes a transparent, substantially non-foldable semi-rigid base. The semi-rigid base includes a magnifying lens. The lens is formed by heating a lens forming die to a temperature sufficient to soften the base material and then cooling the die prior to withdrawing the die from the base material.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: January 23, 2001
    Assignee: LensCard U.S. LLC
    Inventors: Alan Finkelstein, Don Joyce, Laurence Mayer, Robert Mayer, Michael Nicholson