Patents by Inventor Zhao Bao Hua

Zhao Bao Hua 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).

  • Audio speaker
    Patent number: D769225
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: October 18, 2016
    Assignee: SHENZHEN XINHUAMEI ELECTRONIC LIMITED CO. LTD.
    Inventor: Zhao Bao Hua
  • Bluetooth speaker
    Patent number: D786828
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 16, 2017
    Inventor: Zhao Bao Hua