Patents Assigned to Changchun Chengji Technology CO., LTD.
  • Aromatherapy machine
    Patent number: D810262
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: February 13, 2018
    Assignee: Changchun Chengji Technology CO., LTD.
    Inventor: Haichuan Lu
  • Aromatherapy fan diffuser
    Patent number: D810263
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: February 13, 2018
    Assignee: Changchun Chengji Technology CO., LTD.
    Inventor: Haichuan Lu