XIE, Weifan

China

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Total IP 1
Total IP Rank # 1,297,184
IP Activity Score 0/5.0    0
IP Activity Rank # 1,709,712

Patents

Trademarks

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Last Patent 2012 - Self-closing water saving device...
First Patent 2011 - Self-closing water saving device...

Latest Inventions, Goods, Services

2011 Invention Self-closing water saving device, method, and toilet. Disclosed are a self-closing water saving d...