Patents by Inventor Lawrence G. Hickman

Lawrence G. Hickman 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 and apparatus for reflective enhancement of rotogravure printed material
    Patent number: 5148741
    Abstract: A method and apparatus for reflective enhancement of printed images includes forming a plurality of element schemes in the surface of a printed continuous web of material. The element schemes are in preselected registration with colors, shapes or densities of colors in the printed image. By controlling the various element schemes, the reflectivity of portions of the printed image may be enhanced.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: September 22, 1992
    Assignee: Reynolds Metals Company
    Inventors: Lawrence G. Hickman, William D. Lewis, Jwohaw Thai, Joseph C. Wirt