Patents Assigned to Sullivan Flotation Systems, Inc.
  • Pontoon
    Patent number: 4867093
    Abstract: A pontoon for supporting a dock structure in the water includes a core member of buoyant material encased in a plastic closure member. Bottom and top walls of substantially the same dimensions are substantially parallel with each other and are interconnected by slightly rounded sidewalls. The thickness of the pontoon is substantially reduced with respect to its width. The core is advantageously made of extruded styrofoam and attached to the dock structure by through bolting.
    Type: Grant
    Filed: November 19, 1987
    Date of Patent: September 19, 1989
    Assignee: Sullivan Flotation Systems, Inc.
    Inventor: John F. Sullivan