Patents by Inventor Weihan Ma

Weihan Ma 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).

  • Bubble machine
    Patent number: D962350
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: August 30, 2022
    Inventor: Weihan Ma