Patents by Inventor Hailin Qu

Hailin Qu 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).

  • Protective case for a watch
    Patent number: D920147
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: May 25, 2021
    Inventor: Hailin Qu
  • Watch case
    Patent number: D939360
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: December 28, 2021
    Inventor: Hailin Qu
  • Protective case with stand for tablet computer
    Patent number: D951959
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: May 17, 2022
    Inventor: Hailin Qu
  • Watch case
    Patent number: D971030
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: November 29, 2022
    Inventor: Hailin Qu