Patents by Inventor J. Douglas Pruit

J. Douglas Pruit 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: 4862536
    Abstract: Disclosed is a back support device. The back support device includes a bonnet adapted to be connected to a seat back. A pair of spaced apart flexible guide straps is connected to the bonnet and at least one inflatable support cushion is slidingly mounted on the guide straps so as to be positionable at any desired location along the guide straps to provide support for a portion of the body of a user.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: September 5, 1989
    Inventor: J. Douglas Pruit