Patents by Inventor Bai Hua Xu

Bai Hua Xu 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).

  • Head massage treatment apparatus
    Patent number: D525712
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: July 25, 2006
    Inventors: Zhen Shu Cui, Bai Hua Xu