Optical: systems and elements – Signal reflector – 3-corner retroreflective
Reexamination Certificate
2007-01-02
2007-01-02
Cherry, Euncha P. (Department: 2872)
Optical: systems and elements
Signal reflector
3-corner retroreflective
C264S001900
Reexamination Certificate
active
10761770
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.
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Pending U.S. Appl. No. 10/761,533, filed Jan. 21, 2004.
Chamberlain Craig S.
Deeb Gerald S.
Hedblom Thomas P.
Heininger James D.
Shipman Rebecca A.
3M Innovative Properties Company
Cherry Euncha P.
Fischer Carolyn A.
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