Patents by Inventor Xinqian Xia

Xinqian Xia 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).

  • Square
    Patent number: D945286
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: March 8, 2022
    Assignee: Haode Technology Co., Ltd.
    Inventor: Xinqian Xia
  • Triangle ruler
    Patent number: D945287
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: March 8, 2022
    Assignee: Haode Technology Co., Ltd.
    Inventor: Xinqian Xia