Patents Assigned to SHENZHEN CHENGKANG ZHIHUI MEDICAL CO., LTD.
  • Water flosser
    Patent number: D944974
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: March 1, 2022
    Assignee: SHENZHEN CHENGKANG ZHIHUI MEDICAL CO., LTD.
    Inventors: Aihua Chen, Lin Chen, Yuehong Shi, Haikun Li