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Lid
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Patent number D476567
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Issue date Jul 1, 2003
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Design Safety Corp.
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David Weiss
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D09 - Packages and containers for goods
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Lid
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Patent number D469693
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Issue date Feb 4, 2003
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Design Safety Corp.
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David Weiss
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D09 - Packages and containers for goods
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Lid
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Patent number D468206
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Issue date Jan 7, 2003
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Design Safety Corp.
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David Weiss
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D09 - Packages and containers for goods
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Closure indicator for cup lid
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Patent number 6,230,924
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Issue date May 15, 2001
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Design Safety Corporation
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David Weiss
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Closure indicator for cup lid
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Patent number 6,207,100
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Issue date Mar 27, 2001
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Design Safety Corporation
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David Weiss
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL