Patents by Inventor Nicholas L. Heng

Nicholas L. Heng 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).

  • Gift card holder
    Patent number: D532452
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: November 21, 2006
    Assignee: Hallmark Cards, Incorporated
    Inventors: Nicholas L. Heng, Patrick W. Kershner, Kevin W. Swanson, Thomas A. Wallen