Patents by Inventor Robert M. Rowbal

Robert M. Rowbal 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).

  • Color match board game
    Patent number: 4463952
    Abstract: A board game wherein the playing board has color-coded sides and color chips having each side color-coded are placed by opposing players on the playing board adjacent to other color chips and the color-coded sides of the board so that the colors of each adjacent chip match one another and so that the color of each chip which is adjacent to a color-coded side of the board also matches the color-coded side.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: August 7, 1984
    Inventor: Robert M. Rowbal