Patents by Inventor David Plemmons

David Plemmons 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).

  • Limb exercise/therapy apparatus
    Patent number: 5688208
    Abstract: There is provided an exercise/therapy apparatus for human limbs, in particularly, hands. A sealed container forming an interior space is provided having an opening therein. A glove for receiving the hand is attached to the container near the opening and extends from the opening into the interior space. A viscous material which resists the movement of the hand is received in the interior space.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: November 18, 1997
    Inventor: David Plemmons