Patents by Inventor Ivan J. Johnson

Ivan J. Johnson 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: 7648444
    Abstract: The leg exercise device of the present invention is provided a base assembly for supporting an adjustable handle assembly and a footplate support assembly. The handle assembly has a pair of tubular support members secured at a lower end adjacent the center of the base assembly at an angle between 45 degrees and 90 degrees. The handle assembly also includes a U-shaped handle bar having a pair of arms that are telescopically received within the tubular support members, and locking for adjustably securing the handle bar to the tubular support members. A footplate support assembly is secured to the tubular support members for rotatably supporting two footplates for independent pivotal movement on an axis above the center of the base assembly.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: January 19, 2010
    Inventor: Ivan J. Johnson