Patents by Inventor Robert S. Wenzinger

Robert S. Wenzinger 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).

  • OPTICAL ELEMENT HAVING LIGHT INFLUENCING PROPERTY
    Publication number: 20080187749
    Abstract: Provided is an optical element having at least (a) a support polymeric film layer of film material having opposing first and second sides, (b) a second polymeric film layer having opposing first and second sides, the second layer including a film material exhibiting a light influencing property, and (c) optionally, an adhesive layer interposed between and connected to at least a portion of the first side of support layer (a) and the second side of second layer (b). The film material of support layer (a) and the film material of second layer (b) are the same or different.
    Type: Application
    Filed: December 13, 2007
    Publication date: August 7, 2008
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: John J. Cael, Carol L. Knox, Jonathan M. Mack, Feng Wang, Robert S. Wenzinger