Patents by Inventor Robert L. Smithson

Robert L. Smithson 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).

  • High contrast retroreflective sheeting and license plates
    Patent number: 9937879
    Abstract: The present disclosure relates to the formation of high contrast, wavelength independent retroreflective sheeting made by including a light scattering material on at least a portion of the retroreflective sheeting. The light scattering material reduces the brightness of the retroreflective sheeting without substantially changing the appearance of the retroreflective sheeting when viewed under scattered light.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: April 10, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Patrick R. Fleming, Thomas J. Dahlin, Thomas V. Kusilek, Robert L. Smithson
  • HIGH CONTRACST RETROREFLECTIVE SHEETING AND LICENSE PLATES
    Publication number: 20150353029
    Abstract: The present disclosure relates to the formation of high contrast, wavelength independent retroreflective sheeting made by including a light scattering material on at least a portion of the retroreflective sheeting. The light scattering material reduces the brightness of the retroreflective sheeting without substantially changing the appearance of the retroreflective sheeting when viewed under scattered light.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Inventors: Patrick R. Fleming, Thomas J. Dahlin, Thomas V. Kusilek, Robert L. Smithson