Invention Application
- Patent Title: CUBE CORNER SHEETING HAVING OPTICALLY VARIABLE MARKING
- Patent Title (中): 具有光学变化标记的CUBE角膜片
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Application No.: PCT/US2012039022Application Date: 2012-05-23
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Publication No.: WO2012166447A2Publication Date: 2012-12-06
- Inventor: ORENSTEEN BRUCE D , SPURGEON KATHRYN M , BENSON OLESTER JR , CRIMANDO JOSEPH V
- Applicant: 3M INNOVATIVE PROPERTIES CO , ORENSTEEN BRUCE D , SPURGEON KATHRYN M , BENSON OLESTER JR , CRIMANDO JOSEPH V
- Assignee: 3M INNOVATIVE PROPERTIES CO,ORENSTEEN BRUCE D,SPURGEON KATHRYN M,BENSON OLESTER JR,CRIMANDO JOSEPH V
- Current Assignee: 3M INNOVATIVE PROPERTIES CO,ORENSTEEN BRUCE D,SPURGEON KATHRYN M,BENSON OLESTER JR,CRIMANDO JOSEPH V
- Priority: US201161491602 2011-05-31
- Main IPC: G02B5/12
- IPC: G02B5/12 ; G02B5/08
Abstract:
Retroreflective sheeting having a structured layer of cube corner elements and an at least one optically variable mark therein, and methods of making same.
Information query
