Optical: systems and elements – Signal reflector – 3-corner retroreflective
Reexamination Certificate
2008-10-30
2010-06-29
Phan, James (Department: 2872)
Optical: systems and elements
Signal reflector
3-corner retroreflective
C359S529000
Reexamination Certificate
active
07744228
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.
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ASTM D-4956-01a; Standard Specification for Retroreflective Sheeting for Traffic Control.
3M Innovative Properties Company
Nowak Sandra K.
Phan James
LandOfFree
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