Patents Assigned to SHENZHEN HONGRUNFA INDUSTRIAL CO., LTD
  • Earphones with charging case
    Patent number: D946517
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: March 22, 2022
    Assignee: SHENZHEN HONGRUNFA INDUSTRIAL CO., LTD
    Inventor: Hong Zhang
  • Earphone with charging case assembly
    Patent number: D961508
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: August 23, 2022
    Assignee: SHENZHEN HONGRUNFA INDUSTRIAL CO., LTD
    Inventor: Hong Zhang