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Louver and frame body assembly structure
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Patent number 6,219,985
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Issue date Apr 24, 2001
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Ching Feng Blinds Ind. Co. Ltd.
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Peyson S. Hsu
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Operating structure for a vertical blind
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Patent number 5,682,938
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Issue date Nov 4, 1997
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Ching Feng Blinds Ind., Co., Ltd.
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Peyson Hsu
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Operating structure for a vertical blind
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Patent number 5,657,807
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Issue date Aug 19, 1997
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Ching Feng Blinds Ind., Co., Ltd.
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Peyson Hsu
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Waterfall-like window curtain structure
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Patent number 5,649,583
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Issue date Jul 22, 1997
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Ching Feng Blinds Ind. Co., Ltd.
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Peyson Hsu
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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