Yuanming Li

3 Patents

• US124981122025

  LED Light String for Decoration

  LONG YAN DE YU LIGHTING CO., Ltd.

  0 cites
• US124221082025

  LED Filament and Lamp

  LONG YAN DE YU LIGHTING CO., Ltd.

  0 cites
• US117469642023

  LED Bulb Without Driving Power Supply

  RUIJIN DEYU OPTOELECTRONICS CO., Ltd.

  0 cites