Zheng, Boang

China

 
Total IP 2
Total IP Rank # 721,702
IP Activity Score 0.4/5.0    1
IP Activity Rank # 927,970

Patents

Trademarks

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Last Patent 2024 - Intelligent positive and negativ...
First Patent 2021 - Positive and negative pressure s...

Latest Inventions, Goods, Services

2023 Invention Intelligent positive and negative pressure system and operation method therefor, and intelligent ...
2021 Invention Positive and negative pressure system and operation method therefor, and positive and negative pr...