Optical: systems and elements – Single channel simultaneously to or from plural channels
Reexamination Certificate
2004-09-02
2008-11-04
Harrington, Alicia M (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
Reexamination Certificate
active
07446940
ABSTRACT:
The present application is directed to a method of creating a dual appearance comprising providing a substrate. The dual appearance is further created by providing an illumination source proximate to the second major surface of the substrate. A reflective image is provided on the first major surface of the substrate opposite the illumination source. A transmitted image is provided on the second major surface of the substrate between the substrate and the illumination source. Generally, the reflective image is visible with the illumination source off and the transmitted image is visible with the illumination source on.
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Acito Paul L.
Emslander Jeffrey O.
Wood Kenneth B.
3M Innovative Properties Company
Blank Colene H.
Harrington Alicia M
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