Patents by Inventor Erica Hao

Erica Hao 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).

  • Electronic toilet
    Patent number: D733270
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: June 30, 2015
    Assignee: Globe Union Industrial Corp.
    Inventors: Erica Hao, Limin Hou