Wei-mei Yu

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Sanshia Jen, Taipei, Taiwan, TW

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Patents Grantslast 30 patents

Information Patent Grant
Releasable safety device for a chair backrest
- Patent number 6,688,694
- Issue date Feb 10, 2004
- Wei-mei Yu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...