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Changhua Hsien, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Iron pipe furniture assembly structure
Patent number
7,850,021
Issue date
Dec 14, 2010
Cheng-En Yang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Multi-purpose tubular frame structure
Patent number
7,044,312
Issue date
May 16, 2006
Hsin-Chen Yang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Fitting structure of modular rack
Patent number
6,044,988
Issue date
Apr 4, 2000
Hsin-Chen Yang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
Information
Patent Application
Iron pipe furniture assembly structure
Publication number
20090194991
Publication date
Aug 6, 2009
Cheng-En Yang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Multi-purpose tubular frame structure
Publication number
20040251226
Publication date
Dec 16, 2004
Hsin-Chen Yang
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...