Patents by Inventor James E. Nangle

James E. Nangle 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: 5118526
    Abstract: A method of producing a simulated watermark in which intense, focused heat is momentarily applied, in the desired watermark pattern, onto a thin solid matrix of waxy material placed in contact with a sheet of uncoated paper. This results in impression of a durable translucent mark. The wax penetrates the paper without the need wither for chemical action or the application of significant direct pressure, and creates regions of translucence in the paper fibers.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: June 2, 1992
    Assignee: Regal Press, Incorporated
    Inventors: Philip R. Allen, James E. Nangle