Beijing
China
3
2017-11-02
The entities that hold a legal rights for patent applications filed by inventor Pi Donglin:
Donglin Pi from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
LED display screen covers and LED displays
#2 | 2016-11-10Methods of fabricating LED display screen covers and LED displays
#3 | 2016-08-18LED display screen covers and LED displays
1625872 ⎘