Patents by Inventor Mary Elizabeth Elam

Mary Elizabeth Elam 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).

  • Means for enhancing print color density
    Patent number: 6477948
    Abstract: A method for enhancing the color density of printed paper comprising a print enhancing fluid. The print enhancing fluid is applied to the paper prior to ink application in order to enhance the color density of the image printed on the paper. Utilization of the print enhancing fluid of this invention also provides improved printing press hygiene and printing process efficiency especially when printing paper products having high color density images.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: November 12, 2002
    Assignee: The Proctor & Gamble Company
    Inventors: Nicholas James Nissing, Mary Elizabeth Elam