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Portable relay base
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Patent number 6,574,120
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Issue date Jun 3, 2003
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Jonie Chou
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electric outlet shell
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Patent number 6,283,787
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Issue date Sep 4, 2001
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Jonie Chou
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H01 - BASIC ELECTRIC ELEMENTS
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Electric adapter
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Patent number 6,089,921
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Issue date Jul 18, 2000
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Jonie Chou
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H01 - BASIC ELECTRIC ELEMENTS
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Electrical plug
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Patent number 5,775,921
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Issue date Jul 7, 1998
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Jonie Chou
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H01 - BASIC ELECTRIC ELEMENTS
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Computer socket connector
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Patent number D380446
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Issue date Jul 1, 1997
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Jonie Chou
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D13 - Equipment for production, distribution, or transformation of energy
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Safety receptacle
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Patent number 5,244,398
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Issue date Sep 14, 1993
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Jonie Chou
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H01 - BASIC ELECTRIC ELEMENTS