Patents by Inventor Robert R. Christman

Robert R. Christman 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: 4955619
    Abstract: A card game apparatus and method is set forth utilizing four sets of playing cards comprising fifty-two cards each plus four wild cards. Each of the four sets is of a single suit, i.e. clubs, diamonds, spades and hearts. A fifth deck of fifty-two cards provide instructional cards involving a "give and take" to effect playing of various cards awarded in a turn. Points are awarded for fulfilling various requirements and a winner derived by attaining an ultimate point total.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: September 11, 1990
    Inventor: Robert R. Christman