Patents by Inventor Changhai Weng

Changhai Weng 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).

  • Patent number: D986656
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: May 23, 2023
    Inventor: Changhai Weng