Patents by Inventor John Bryant Pesterfield

John Bryant Pesterfield 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: 5783019
    Abstract: A method and apparatus for laminating a polyester film having a heat activated adhesive on one surface onto a porous polystyrene base to form the core of a spa cover or the like. The apparatus includes a table onto which a base is placed and a clamping structure for holding the film, the table communicating with a source of sub-atmospheric pressure. The clamping structure includes a pair of frames, one of which is pivotable relative to the other to open and receive the film therebetween to close upon and clamp the film. A lifting mechanism may lift both frames with the film clamp between the frames. The table is moveable into an oven having heating elements positioned at a location above the table and the clamping frames are lifted to bring the film in close proximity to the heating elements.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: July 21, 1998
    Assignee: St. John Manufacturing Co., Inc.
    Inventor: John Bryant Pesterfield