Patents by Inventor Qiangwei Chen

Qiangwei Chen 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).

  • Facial steamer
    Patent number: D927708
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: August 10, 2021
    Inventor: Qiangwei Chen