Patents by Inventor Zengjie Yu

Zengjie Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Telescopic rod
    Patent number: D986314
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: May 16, 2023
    Assignee: Shandong yijiale Smart Home Technology Co., Ltd.
    Inventor: Zengjie Yu
  • Adjustable telescopic rod
    Patent number: D1002350
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 24, 2023
    Assignee: Wuhu Yijiale Metal Products Co., Ltd.
    Inventor: Zengjie Yu