Patents Represented by Attorney Jack M. Crawford

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  • Method of making a fiber cement board with improved properties and the product
    Patent number: 8293003
    Abstract: A cement product incorporating nanocrystalline cellulose and cellulose fiber throughout the product and a method of making the product.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: October 23, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: Sherry L. Thomson, David J. O'Callaghan, John A. Westland, Bing Su