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Chia-Yi Hsieh
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Taichung Hsien, TW
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Patents Grants
last 30 patents
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Patent Grant
Cleaning device having cleaning agent provided therein
Patent number
6,220,527
Issue date
Apr 24, 2001
He-Jin Chen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sponge mop with a cleaning tank attached thereto
Patent number
6,217,244
Issue date
Apr 17, 2001
He-Jin Chen
A46 - BRUSHWARE
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Patent Grant
Sponge mop with cleaning tank attached thereto
Patent number
6,146,041
Issue date
Nov 14, 2000
He-Jin Chen
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...