Patents by Inventor Yuequn Huang

Yuequn Huang 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).

  • Keychain
    Patent number: D891086
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: July 28, 2020
    Inventor: Yuequn Huang
  • Anti-loosening screw
    Patent number: D948322
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: April 12, 2022
    Inventor: Yuequn Huang