Patents by Inventor Kelvin Dickinson

Kelvin Dickinson 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).

  • Method for making corrections on planographic printing plates
    Patent number: 6427596
    Abstract: A method for correcting mistakes and other imperfections in printing members is disclosed. Ink accepting areas of the printing member are rendered non-ink accepting by treatment with a deletion fluid. Deletion fluids include, for example, acids, alkalis, and oxidizing formulations. A preferred deletion fluid is concentrated sulfuric acid.
    Type: Grant
    Filed: November 16, 1999
    Date of Patent: August 6, 2002
    Assignee: Kodak Polychrome Graphics, LLC
    Inventors: Harjit S. Bhambra, Robert M. Organ, Kelvin Dickinson