LI, Guoling

China

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Total IP 1
Total IP Rank # 1,300,561
IP Activity Score 0/5.0    0
IP Activity Rank # 1,715,794

Patents

Trademarks

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Last Patent 2017 - Rotary engine with variable-spee...
First Patent 2016 - Rotary engine with variable-spee...

Latest Inventions, Goods, Services

2016 Invention Rotary engine with variable-speed driven pistons. Provided is a rotary engine with variable-speed...