Patents by Inventor Zhao Huanxue

Zhao Huanxue 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: D509258
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: September 6, 2005
    Inventor: Zhao Huanxue