RETROREFLECTIVE SHEETING
Application 2156/CHENP/2005 published 2007-07-20, filed 2005-09-05
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
1)3M INNOVATIVE PROPERTIES COMPANY
:3M Center, Post Office Box 33427, Saint Paul, Minnesota 55133-3427
Inventor
1)SMITH, Kenneth L.,
International Info
Classification: G02B 5/124
Publication Number: WO/2004/081619
Application Date: 2004-02-26
Priority Information
60/452 U.S.A. 2003-03-06