Patents by Inventor Yu Bao Zhang

Yu Bao Zhang 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).

  • Publication number: 20120121736
    Abstract: The present invention relates to a herbal composition for treating gastric ulcer, a method for preparing said herbal composition.
    Type: Application
    Filed: April 15, 2010
    Publication date: May 17, 2012
    Inventor: Yu Bao Zhang