Patents by Inventor Marilyn L. Butler

Marilyn L. Butler 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).

  • Self-illuminated hop scotch game
    Patent number: 6251032
    Abstract: A self-illuminated hop scotch game including a hop scotch playing field defined by a plurality of spaces arranged in a predetermined order. Each of the spaces have an outer periphery with a border disposed thereon. The border is coated with a fluorescent material. A plurality of playing pieces are provided with each having a generally circular configuration. Each of the playing pieces are comprised of a soft exterior surface with an interior filled with beans.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: June 26, 2001
    Inventor: Marilyn L. Butler