90490435
Jan 26, 2021
Jul 19, 2022
SHENZHEN REFOND OPTOELECTRONICS CO. LTD
Active Trademark
Photodiodes; Indicator lights; Light emitting diode (LED) displays in the nature of signs; Light emitting diodes (LEDs); Neon signs; Quantum dot light-emitting diodes (QLED)
Electrical and Scientific Apparatus