Invention Grant
- Patent Title: Retroreflective sheeting
- Patent Title (中): 逆反射片材
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Application No.: US12604260Application Date: 2009-10-22
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Publication No.: US08371703B2Publication Date: 2013-02-12
- Inventor: Kenneth L. Smith , James R. Imbertson , John C. Kelliher , John A. Worrell , Sidney A. Ellingstad
- Applicant: Kenneth L. Smith , James R. Imbertson , John C. Kelliher , John A. Worrell , Sidney A. Ellingstad
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Sandra K. Nowak; Lisa P. Fulton
- Main IPC: G02B5/122
- IPC: G02B5/122
Abstract:
The present application relates generally to retroreflective sheeting and the tools and methods used to make retroreflective sheeting. Microreplication tools and sheeting include controlled surface structure or haze. The surface structure or haze can be introduced, for example, by chemical etching of the tool surface and/or electroplating.
Public/Granted literature
- US20100103521A1 RETROREFLECTIVE SHEETING Public/Granted day:2010-04-29
Information query
