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Photochromic lens
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Patent number 8,367,211
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Issue date Feb 5, 2013
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Insight Equity A.P.X., L.P.
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Xuzhi Qin
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Injection molding of lens
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Patent number 8,128,224
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Issue date Mar 6, 2012
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Insight Equity A.P.X., L.P.
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Alan D. Maki
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Production of optical elements
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Patent number 8,029,705
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Issue date Oct 4, 2011
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Insight Equity A.P.X., L.P.
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Sujal Bhalakia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Photochromic lens
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Patent number 7,858,001
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Issue date Dec 28, 2010
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Insight Equity A.P.X., L.P.
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Xuzhi Qin
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Injection molding of lens
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Patent number 7,077,985
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Issue date Jul 18, 2006
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Vision-Ease Lens
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Alan D. Maki
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Production of optical elements
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Patent number 7,048,997
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Issue date May 23, 2006
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Vision-Ease Lens
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Sujal Bhalakia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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-
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Production of optical elements
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Patent number 6,814,896
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Issue date Nov 9, 2004
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Vision--Ease Lens, Inc.
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Sujal Bhalakia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Production of optical elements
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Patent number 6,328,446
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Issue date Dec 11, 2001
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Vision--Ease Lens, Inc.
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Sujal Bhalakia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multi-focal optical elements
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Patent number 5,856,860
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Issue date Jan 5, 1999
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Vision-Ease Lens, Inc.
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Sujal N. Bhalakia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Production of optical elements
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Patent number 5,827,614
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Issue date Oct 27, 1998
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Vision-Ease Lens, Inc.
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Sujal N. Bhalakia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multifocal optical elements
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Patent number 5,757,459
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Issue date May 26, 1998
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Vision-Ease Lens, Inc.
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Sujal N. Bhalakia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL