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Light bulb
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Patent number D424218
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Issue date May 2, 2000
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Jack Yu
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D26 - Lighting
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Ceiling fan housing
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Patent number 5,975,847
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Issue date Nov 2, 1999
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Jack Yu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Ceiling fan housing combination
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Patent number 5,947,685
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Issue date Sep 7, 1999
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Jack Yu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Lamp device
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Patent number 5,918,971
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Issue date Jul 6, 1999
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Jack Yu
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F21 - LIGHTING
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Ceiling fan package
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Patent number 5,779,045
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Issue date Jul 14, 1998
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Jack Yu
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Container for disc
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Patent number 5,706,939
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Issue date Jan 13, 1998
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Jack Yu
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G11 - INFORMATION STORAGE
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Ceiling fan housing
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Patent number 5,672,048
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Issue date Sep 30, 1997
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Jack Yu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Ceiling fan housing assembly
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Patent number 5,655,877
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Issue date Aug 12, 1997
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Jack Yu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Convertible light assembly
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Patent number 5,568,969
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Issue date Oct 29, 1996
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Jack Yu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Housing for ceiling fan
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Patent number 5,503,524
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Issue date Apr 2, 1996
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Jack Yu
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...