Patents by Inventor William H. Langley

William H. Langley 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: 4807745
    Abstract: The invention is directed to a packaging composite for barrier sealed cigarette or other smoking article packages. The composite includes a foil layer, exterior and interior skin layers of heat-sealable thermoplastic polymer, first and second biaxially oriented polypropylene homopolymer layers located between the exterior skin layers and the foil layers, and first and second adhesive layers coupling the polypropylene layers to the foil layer on each side thereof. The package laminate has a thickness of between 1.5 and 2.5 mils.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: February 28, 1989
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: William H. Langley, Roy E. Yeatts, Carl C. Hein, III, Matthew S. Koschak