Patents by Inventor David J. Altner

David J. Altner 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: 4802667
    Abstract: A belt that allows for various support levels to be applied to contiguous areas of a weightlifter's lower back and abdomen during an exercise program to prevent stress upon spinal discs and adjoining vertebrae. Support is provided to the abdomen and lower back through use of two independently functioning belt arrangements which allow staggered tightening with respect to one another and provide primary tension to the areas being supported. The belt may be adapted for heavy or alternatively light exercise moves.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: February 7, 1989
    Inventor: David J. Altner