Patents by Inventor Thuy Thi Ngoc Le Dang

Thuy Thi Ngoc Le Dang 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).

  • Transparent protective face mask
    Patent number: D955652
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: June 21, 2022
    Assignee: Atmos Life Science Inc.
    Inventors: Frank Bernd Juergen Harder, Cheng Tisen Chou, Thuy Thi Ngoc Le Dang