Patents by Inventor Forrest L. Dikeman

Forrest L. Dikeman 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).

  • Patent number: 4114449
    Abstract: An exerciser device comprises an elastic compression body which is configured to accommodate a wide variety of exercises for different muscle groups and enclosed within the body is a flexible reservoir of liquid communicating with a transparent gauge tube disposed at the surface of the body for viewing the liquid level therein by the person using the exerciser. The end of the gauge tube opposite the reservoir communicates with an air compression chamber in which compressed air resiliently opposes movement of the liquid in the gauge tube in response to compression of the elastic body.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: September 19, 1978
    Inventors: Forrest L. Dikeman, Robert C. Wilkinson