Patents by Inventor Mark R. Pustaver

Mark R. Pustaver 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 device for the lower back
    Patent number: 5551935
    Abstract: An exercise device is provided for strengthening the lower back of a user. The exercise device includes a base for being located on a supporting surface. An inclined surface is supported by the base for engaging the thighs of the user to support at an angle a portion of the body extending generally from the waist to the knees. The upper body of the user extends over a front edge of the inclined surface for exercising movement between a flexed position and an extended position. A stabilizer bar is connected to the exercise device for engaging and holding the legs of the user against the inclined surface when exercising.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: September 3, 1996
    Assignee: QL, Inc.
    Inventors: Mark R. Pustaver, David A. Shmukler, Lewis S. Winter, III