CUBE CORNER SHEETING HAVING OPTICALLY VARIABLE MARKING
摘要
Retroreflective sheeting having a structured layer of cube corner elements and an at least one optically variable mark therein, and methods of making same.
申请公布号
US2014078587(A1)
申请公布日期
2014.03.20
申请号
US201214114938
申请日期
2012.05.23
申请人
ORENSTEEN BRUCE D.;SPURGEON KATHRYN M.;BENSON, JR. OLESTER;CRIMANDO JOSEPH V.;3M INNOVATIVE PROPERTIES COMPANY
发明人
ORENSTEEN BRUCE D.;SPURGEON KATHRYN M.;BENSON, JR. OLESTER;CRIMANDO JOSEPH V.
