Beijing
China
4
2017-02-02
The entities that hold a legal rights for patent applications filed by inventor LI Lingling:
Lingling LI from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Artificial joint cup, magnetic control sputtering coating film device and preparation method thereof
#2 | 2015-08-20Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereof
#3 | 2015-08-20Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereof
#4 | 2013-11-21Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereof
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