Patents Represented by Attorney Sandra K. Newak

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  • Method of making retroreflective sheeting and articles
    Patent number: 7458694
    Abstract: The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a moldable synthetic resin onto a tool having a microstructured surface.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: December 2, 2008
    Assignee: 3M Innovative Properties Company
    Inventor: Kenneth L. Smith