Patents by Inventor Willis R. Forman

Willis R. Forman 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).

  • Submersible observation vessel
    Patent number: 4928614
    Abstract: A submersible observation vessel having a transparent acrylic hull. The hull comprises a plurality of transparent acrylic cylinders, a plurality of seals to prevent leakage between the cylinders of the hull, a front hatch hinged on the first seal, and a bulk head having an aft hatch welded to the last seal. An integral cradle supports the vessel when on dry dock and provides a medium for lifting the vessel into and out of the water.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: May 29, 1990
    Assignees: Ronald Nilson, Sea View Enterprises
    Inventor: Willis R. Forman