Patents by Inventor Jo D. Ramhorst

Jo D. Ramhorst 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).

  • Exercise treadmill with adjustable slope
    Patent number: 4776582
    Abstract: An exercise treadmill in which the slope of an endless belt is varied by changing the height of one end of a base frame by means of a swing frame having a vertically adjustable pivot axis. The swing frame is movable from an active treadmill supporting position to an inactive condition where the pivot axis can be changed.
    Type: Grant
    Filed: October 9, 1986
    Date of Patent: October 11, 1988
    Assignee: M & R Industries, Inc.
    Inventor: Jo D. Ramhorst