Lifeng Gao

3 Patents

• USD11073582025

  Dust Box for Cleaning Robot

  Beijing Roborock Technology Co., Ltd.

  0 cites
• USD10014042023

  Dust Bag for Cleaning Appliance

  BEIJING ROBOROCK TECHNOLOGY CO., Ltd.

  0 cites
• USD09967522023

  Dust Bag Clamp for Cleaning Appliance

  Beijing Roborock Technology Co., Ltd.

  0 cites