Optical film with variable angle prisms | Patent Publication Number 20020057497

US 20020057497 A1
Patent NumberUS 06560026 B2
Application Number10047872
Filled DateJan 16, 2002
Priority DateOct 8, 1999
Publication DateMay 16, 2002
Original Assignee3m Company
Current Assignee3m Company
Inventor/ApplicantsKenneth A. Epstein
Sanford Cobb
Wade D. Kretman
Mark E. Gardiner
Mark E. Gardiner
Kenneth A. Epstein
Wade D. Kretman
Sanford Cobb
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