Patents by Inventor Graig S. Chamberlain

Graig S. Chamberlain 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).

  • RETROREFLECTIVE ELEMENTS AND ARTICLES
    Publication number: 20080145146
    Abstract: The present invention relates to retroreflective elements and retroreflective articles such as pavement markings comprising retroreflective elements, methods of making retroreflective elements, and laminates.
    Type: Application
    Filed: February 20, 2008
    Publication date: June 19, 2008
    Inventors: Rebecca A. Shipman, Graig S. Chamberlain, James D. Heininger, Thomas P. Hedblom, Douglas E. Weiss, Gerald S. Deeb