Patents Represented by Attorney E. M. Kozak

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  • Method of manufacturing a weatherable exterior siding
    Patent number: 4786350
    Abstract: A manufacturing process for providing an extruded polyvinyl chloride exterior siding with a weatherable layer of polyvinyl fluoride is disclosed. In a preferred embodiment, the process facilitates the production of dimensionally stable dark colored siding.
    Type: Grant
    Filed: April 13, 1987
    Date of Patent: November 22, 1988
    Assignee: Pony Industries, Inc.
    Inventors: Jeffrey E. Nesbitt, James E. Pierce