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Optical films
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Patent number 8,289,639
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Issue date Oct 16, 2012
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3M Innovation Properties Company
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Leland R. Whitney
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G02 - OPTICS
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Illumination device
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Patent number 7,052,168
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Issue date May 30, 2006
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3M Innovative Properties Company
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Kenneth A. Epstein
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G02 - OPTICS
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Linear illumination source
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Patent number 6,568,822
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Issue date May 27, 2003
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3M Innovative Properties Company
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Gary T. Boyd
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G02 - OPTICS
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Color shifting film glitter
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Patent number 6,475,609
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Issue date Nov 5, 2002
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3M Innovative Properties Company
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Leland R. Whitney
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B32 - LAYERED PRODUCTS
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Visible mirror film glitter
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Patent number 6,455,140
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Issue date Sep 24, 2002
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3M Innovative Properties Company
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Leland R. Whitney
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B44 - DECORATIVE ARTS
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Game with privacy material
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Patent number 6,120,026
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Issue date Sep 19, 2000
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3M Innovative Properties Co.
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Leland R. Whitney
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A63 - SPORTS GAMES AMUSEMENTS
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Privacy enclosure
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Patent number 5,974,757
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Issue date Nov 2, 1999
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3M Innovative Properties Company
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Leland R. Whitney
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Privacy enclosure
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Patent number 5,813,180
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Issue date Sep 29, 1998
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Minnesota Mining and Manufacturing Company
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Leland R. Whitney
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Perforated acoustical attenuators
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Patent number 5,504,281
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Issue date Apr 2, 1996
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Minnesota Mining and Manufacturing Company
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Leland R. Whitney
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H04 - ELECTRIC COMMUNICATION TECHNIQUE