Yuanfeng Lai

3 Patents

• US125122822025

  Ceiling Fan Device with Wall Control-compatible Pull Chain Switch

  Idea DC Motor & LED Co., Ltd

  0 cites
• US124903522025

  LED Module Lamp Control Device Using Pull Chain Switch

  Idea DC Motor & LED Co., Ltd

  0 cites
• USD09764702023

  Step Light

  0 cites