Patents by Inventor Qun Chai

Qun Chai 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).

  • Patent number: D907258
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: January 5, 2021
    Inventor: Qun Chai
  • Patent number: D982192
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: March 28, 2023
    Inventor: Qun Chai