Patents Assigned to QINGDAO WORKERCARE TOOLS MANUFACTURE CO., LTD
  • Car ramp
    Patent number: D921324
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: June 1, 2021
    Assignee: QINGDAO WORKERCARE TOOLS MANUFACTURE CO., LTD
    Inventor: Hongjian Zhang
  • Car ramp
    Patent number: D923280
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: June 22, 2021
    Assignee: QINGDAO WORKERCARE TOOLS MANUFACTURE CO., LTD
    Inventor: Hongjian Zhang
  • Curved wheel leveler and chock set
    Patent number: D1003800
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: November 7, 2023
    Assignee: Qingdao workercare tools manufacture co., ltd
    Inventor: Hongjian Zhang
  • Curved wheel leveler and chock set
    Patent number: D1008151
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: December 19, 2023
    Assignee: Qingdao workercare tools manufacture co., ltd
    Inventor: Hongjian Zhang