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Sky bridge play feature
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Patent number D477378
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Issue date Jul 15, 2003
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Playcore, Inc.
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Kim Blackwood
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D21 - Games, toys, and sports goods
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Playground climber
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Patent number D455809
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Issue date Apr 16, 2002
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Playcore, Inc.
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Kim Blackwood
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D21 - Games, toys, and sports goods
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Playground deck link
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Patent number D455470
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Issue date Apr 9, 2002
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Playcore, Inc.
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Kim Blackwood
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D21 - Games, toys, and sports goods
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Leaf enclosure
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Patent number D448855
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Issue date Oct 2, 2001
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Playcore, Inc.
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Kim Blackwood
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D25 - Building units and construction elements