Patents by Inventor Margaret M. Randle

Margaret M. Randle 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: 4471018
    Abstract: An improved polymer sheet. The improvement is at least one surface polymer film layer and at least one fabric veil. A veil is laminated between each surface polymer film layer and the polymer sheet. There is a method of heating a polymer sheet containing the improvement of the present invention.
    Type: Grant
    Filed: May 5, 1982
    Date of Patent: September 11, 1984
    Assignee: Allied Corporation
    Inventors: Gina R. Kritchevsky, John A. Gregor, William F. Wiederspahn, Margaret M. Randle, Joseph E. Mackey