Bing-Nan Wang

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Jia Yi Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Backrest adjustment device
- Patent number 6,488,336
- Issue date Dec 3, 2002
- Tung Yu Oa Co., Ltd.
- Bing-Nan Wang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Base manipulation device for office chair
- Patent number 6,419,320
- Issue date Jul 16, 2002
- Tung Yu Oa Co. Ltd.
- Bing-Nan Wang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Chair adjustment device
- Publication number 20020096933
- Publication date Jul 25, 2002
- Bing-Nan Wang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...