Patents by Inventor Wu Mei Ying

Wu Mei Ying 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).

  • Diaper receptacle cartridge
    Patent number: D631214
    Type: Grant
    Filed: February 15, 2010
    Date of Patent: January 18, 2011
    Inventor: Wu Mei Ying