Cheng-Yi Yang

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Changhua Hsien, TW

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Patents Grantslast 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
Lock fixing device for bicycle
- Patent number 6,971,564
- Issue date Dec 6, 2005
- Cheng-Yi Yang
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 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
Lock fixing device for bicycle
- Publication number 20050011921
- Publication date Jan 20, 2005
- Cheng-Yi Yang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES