Patents by Inventor Paul F. Bull

Paul F. Bull 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: 4897302
    Abstract: A synthetic sporting surface for tennis courts comprises a laminate of (1) a porous base layer formed from a matrix of liquid polyurethane mixed with resilient particles; (2) a polymeric sealant which seals the upper porous surface of the base layer; (3) a fiber reinforced adhesive layer on the upper surface of the sealant; and (4) an acrylic top coat which acts as a wear layer on the upper surface of the sealant. The fiber-reinforced adhesive layer comprises an adhesive having reactive sites capable of bonding the sealant and the acrylic top coat to provide a durable cushioned playing surface.
    Type: Grant
    Filed: November 17, 1988
    Date of Patent: January 30, 1990
    Assignee: A. V. Syntec Pty Ltd.
    Inventor: Paul F. Bull