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Multifocal contact lens pairs
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Patent number 6,802,606
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Issue date Oct 12, 2004
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Johnson & Johnson Vision Care, Inc.
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Jeffrey H. Roffman
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G02 - OPTICS
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Contact lenses bearing marks
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Patent number 6,203,156
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Issue date Mar 20, 2001
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Johnson & Johnson Vision Care, Inc.
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Jongliang Wu
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Multifocal ophthalmic lenses
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Patent number 6,179,420
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Issue date Jan 30, 2001
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Johnson & Johnson Vision Products, Inc.
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Jeffrey H. Roffman
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G02 - OPTICS
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Contact lenses bearing identifying marks
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Patent number 6,024,448
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Issue date Feb 15, 2000
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Johnson & Johnson Vision Products, Inc.
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Jongliang Wu
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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