Patents by Inventor Thomas D. Whipple

Thomas D. Whipple 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).

  • Toy apparatus for constructing pathway for marble
    Patent number: 5332216
    Abstract: A game has a plurality of directional elements which are attached to a vertical face in numerous arrangements to define paths along which a marble can travel. The game includes a plurality of housings which can be interconnected in a plurality of orientations with respect to one another such that openings in each pair of interconnected housings oppose and align with one another to permit the marble to travel from one housing to another through the opposing, aligned openings.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: July 26, 1994
    Inventor: Thomas D. Whipple