Patents Assigned to HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., LTD
  • Ear cleaner
    Patent number: D931458
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: September 21, 2021
    Assignee: HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., LTD
    Inventor: Shihong Wang
  • Ear cleaner
    Patent number: D932011
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: September 28, 2021
    Assignee: HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., LTD
    Inventor: Shihong Wang
  • Ear cleaner
    Patent number: D932622
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: October 5, 2021
    Assignee: HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., LTD
    Inventors: Shihong Wang, Xiaowei Lin
  • Charging base for ear cleaner
    Patent number: D932623
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: October 5, 2021
    Assignee: HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., LTD
    Inventor: Shihong Wang
  • Ear cleaning device set
    Patent number: D946756
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: March 22, 2022
    Assignee: HEIFENG ZHIZAO(SHENZHEN)TECHNOLOGY CO., LTD
    Inventor: Shihong Wang
  • Ear cleaning device
    Patent number: D951448
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: May 10, 2022
    Assignee: HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., LTD
    Inventor: Shihong Wang