Retroreflective security laminates with dual level verification
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United States of America Patent
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-
Dec 8, 1992
Grant Date -
N/A
app pub date -
May 8, 1991
filing date -
May 8, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A retroreflective security laminate, designed to be applied to the surface of a document over information thereon, providing dual levels of verification. The laminates have primary legends which are viewable under both ordinary diffuse lighting conditions and retroreflective viewing conditions and may also have retro-legends which are viewable only under retroreflective viewing conditions.
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Cited Art Landscape
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