Patents by Inventor Stewart C. Raphael

Stewart C. Raphael 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).

  • Three-dimensional tic-tac-toe game
    Patent number: 5433448
    Abstract: A three-dimensional tic-tac-toe game which includes a lattice having cubicles for receiving X or O mating pieces therein. The pieces are held in the cubicles by Velcro patches on the pieces that cooperate with mating patches in the cubicles.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: July 18, 1995
    Inventors: Stewart C. Raphael, Audrey S. Raphael, Richard R. King