RETROREFLECTIVE SHEETING
2156/CHENP/2005 A (2156/CHENP/2005)
Filed on 2005-09-05
Publication date 2007-07-20
A retrorflective sheeting comprising a row of preferred geomentry cube corner elements having faces by a side groove set characterized in that at least two grooves within the set are nonparallel by amounts ranging from greater than nominally parallel to about 1
Applicant
3M INNOVATIVE PROPERTIES COMPANY
3M Center, Post Office Box 33427, Saint Paul, Minnesota 55133-3427 (US) U.S.A.
Inventor
SMITH, Kenneth L.,
International Information
Classification
G02B 5/124
Publication number
WO/2004/081619
Application date
2004-02-26
Application number
PCT/US2004/005672