Patents by Inventor Robert A. Starkel

Robert A. Starkel 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).

  • Set of chess pieces
    Patent number: D493198
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: July 20, 2004
    Inventor: Robert A. Starkel