Patents by Inventor Wangguang Wu

Wangguang Wu 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).

  • Three prong plug
    Patent number: D737774
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: September 1, 2015
    Assignees: Jiande Yonghua Electrical Equipment Co., Ltd., ZH Brothers International, Inc.
    Inventors: Guoqiang “Aston” Zhu, Wangguang Wu
  • Four prong plug
    Patent number: D765032
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 30, 2016
    Assignees: ZH Brothers International, Inc., Jiande Yonghua Electrical Equipment Co., Ltd.
    Inventors: Guoqiang “Aston” Zhu, Wangguang Wu