Patents by Inventor Art Graham

Art Graham 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: 4613136
    Abstract: A free standing, self-contained, poolside, hoop game device is disclosed. The device includes three basic components including a ballast fillable base, a height adjustable backboard surface and a hoop. The device is comprised of a lightweight, corrosion resistant material and is easily constructed, disassembled and drained of ballast for storage or transportation. The backboard preferably includes three wings with planar surfaces angled to aid in keeping the ball in play.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: September 23, 1986
    Inventors: John B. Raba, Art Graham