Patents by Inventor Eric A. Pierra

Eric A. Pierra 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: 5971902
    Abstract: The present invention resides in an exercise apparatus for individuals with chronic back pain. The apparatus comprises an elongated base frame that is rectangular in configuration and has a U-shaped front portion and a T-shaped back portion. An inverted Y-shaped, lower support shaft having three members with rectangular configurations is removably attached to the base frame. An elongated, rectangular shaped upper support shaft attached to an angle adjustment cam is attached to the inverted Y-shaped lower support shaft with rotation and locking means. The upper support shaft contains, near the bottom portion thereof, a restraint stand having foot boards and lower extremity restraint. The upper support shaft is hollow on the inside and is slidably connected to a telescoping pelvic restraint stand, which contains hip pads, pelvic restraints and bicycle like handle bars near the top portion thereof.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: October 26, 1999
    Inventors: Virgil L. Robertson, Joe L. Verna, Eric A. Pierra