Patents by Inventor Angus Yiu

Angus Yiu 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).

  • Drinking lid top
    Patent number: D896026
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: September 15, 2020
    Inventors: Wesley Chu, Angus Yiu
  • Drinking lid bottom
    Patent number: D910370
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: February 16, 2021
    Inventors: Wesley Chu, Angus Yiu