Patents by Inventor William R. Roller

William R. Roller 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).

  • Thermoformable polyolefin sheet
    Patent number: 5372881
    Abstract: This invention relates to a thermoformable laminate comprising a layer of polyolefin selected from the group consisting of homopolymers and copolymers of .alpha.-olefins having up to 8 carbon atoms, a layer of nitrile copolymer, and an adhesive layer interposed between the polyolefin layer and the nitrile copolymer layer.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: December 13, 1994
    Assignee: AlliedSignal Inc.
    Inventors: William R. Roller, Lawrence Lyon, Jay P. Porter, Ame P. Krueger