Patents by Inventor Weina Tang

Weina Tang 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).

  • Sanitary napkin
    Patent number: D597663
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: August 4, 2009
    Assignee: McNeil-PPC, Inc.
    Inventors: Wei Li, Weina Tang