Patents by Inventor Zeng Dawei

Zeng Dawei 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: D354357
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: January 10, 1995
    Inventor: Zeng Dawei