Patents Assigned to James Rock Associates, LLC
  • Composite building material
    Patent number: 7449517
    Abstract: An extruded composite building material comprising a thermoplastic resin material, a mixture of additive materials, and a cellulosic material, wherein the thermoplastic resin material, the mixture of additive materials, and the cellulosic material are blended into a composite material, wherein the composite material comprises between 50% to 90% cellulosic material by weight, and wherein the blended composite material is extruded to form the extruded composite building material.
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: November 11, 2008
    Assignee: James Rock Associates, LLC
    Inventor: James E. Rock