Patents by Inventor David C. Jennings

David C. Jennings 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: 5653664
    Abstract: A portable variable weight exercise stick is formed from two easily detachable hollow sections which have access caps for adding a desired variable weight to the hollow sections and retainers therein to allow the addition of a variable weight without having it rattle in the stick during exercise. A ball of squeezable material is mounted on each end of the stick. The stick is specially formed to be ideally suited as a golf swing exercise device for building a stronger and more grooved golf swing.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: August 5, 1997
    Inventor: David C. Jennings