Patents by Inventor Donald B. Millington

Donald B. Millington 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).

  • Isometric exercise device
    Patent number: 5776037
    Abstract: An isometric exercise device (10) which comprises a flat bench (12) and an upright rack (14). A pair of butterfly arms (44) are held in either an upright position or an outwardly angular position on opposite sides of the base (30) of the upright rack. A person without strength and endurance can exercise isometrically all parts of the body with the flat bench (12), with the upright rack (14) and with a combination of the flat bench (12) and the upright rack (14) together.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: July 7, 1998
    Inventor: Donald B. Millington