F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/151
F21V 7/00 (2006.01) G02B 5/124 (2006.01)
Patent
CA 1231326
CUBE-CORNER RETROREFLECTIVE ARTICLES HAVING WIDE ANGULARITY IN MULTIPLE VIEWING PLANES Abstract Cube-corner retroreflective articles having improved angularity along multiple viewing planes are provided. The articles comprise at least one matched pair of cube-corner retroreflective elements which are rotated 180° with respect to one another, the three lateral mutually perpendicular faces of the elements being defined at their bases by linear edges that lie in a common plane, and the optical axes of the elements being tilted toward one another.
462349
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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