Patents by Inventor William H. Groenewold

William H. Groenewold 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).

  • Simulated animal racing track apparatus
    Patent number: 4880235
    Abstract: A simulated animal race track apparatus including a track and having a first and second plurality of animal-shaped members spaced apart in two lines and which are tippable from an upright position to a tipped position using a domino affect and simulating the motion of a horse galloping and the clatter of the horses' hooves as the horses strike each other.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: November 14, 1989
    Inventor: William H. Groenewold