Beijing
China
4
2015-08-20
The entities that hold a legal rights for patent applications filed by inventor CHEN Aifeng:
Aifeng CHEN from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Unidirectional, sprinkler-type, antipersonnel-fragmentation-free fire-extinguishing bomb
#2 | 2014-01-09Pollution-free liquid balancing device
#3 | 2013-12-26Combustion gas piston type movable guiding tube netting device
#4 | 2013-08-22Low-altitude low-speed small target intercepting method
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