Invention Grant
- Patent Title: Cube corner sheeting having optically variable marking
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Application No.: US16791622Application Date: 2020-02-14
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Publication No.: US11105964B2Publication Date: 2021-08-31
- Inventor: Bruce D. Orensteen , Kathryn M. Spurgeon , Olester Benson, Jr. , Joseph V. Crimando
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agency: 3M Innovative Properties Company
- Agent Carlos M. Téllez Rodríguez
- Main IPC: G02B5/124
- IPC: G02B5/124 ; B29D11/00 ; E01F9/60 ; B60Q1/56 ; G02B5/04 ; G09F13/16
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.
Public/Granted literature
- US20200183061A1 CUBE CORNER SHEETING HAVING OPTICALLY VARIABLE MARKING Public/Granted day:2020-06-11
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