Retroreflecting article including retarder

Assignee

• 3M

Inventors

• John A. Wheatley (196 patents)
• Michael A. McCoy (35 patents)
• Tien Yi T. H. Whiting (11 patents)
• Guanglei Du (37 patents)
• Neeraj Sharma (57 patents)
• Kui Chen-Ho (40 patents)
• Kenneth A. Epstein (89 patents)

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