Patents by Inventor Donald E. Watenpaugh

Donald E. Watenpaugh 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).

  • Self-generating oscillating pressure exercise device
    Patent number: 5356361
    Abstract: An exercise device, especially suitable for zero gravity workouts, has a collapsible chamber which generates negative pressure on the lower portion of a body situated therein. The negative pressure is generated by virtue of leg, hand and shoulder interaction which contracts and expands the chamber about the person and by virtue of air flow regulation by valve action.
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: October 18, 1994
    Assignee: The United States of America as represented by the Administrator of National Aeronautics and Space Administration
    Inventor: Donald E. Watenpaugh