Hangzhou
China
5
2022-04-07
The entities that hold a legal rights for patent applications filed by inventor CHEN Dong:
Dong CHEN from Hangzhou, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Microbubble dispersion system stabilized with polydopamine nanoparticles for highly-efficient intravenous oxygen supply and method for preparing the same
#2 | 2021-09-16Authority revoking method and device
#3 | 2020-05-07Authority revoking method and device
#4 | 2019-05-23Authority revoking method and device
#5 | 2016-12-29SYSTEM, DEVICE, AND METHOD FOR MAKING AUTOMATIC CALLS
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