Patents by Inventor Guoqiang “Aston” Zhu

Guoqiang “Aston” Zhu 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
  • RV Power inlet with illumination
    Patent number: D829665
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: October 2, 2018
    Inventor: Guoqiang “Aston” Zhu
  • Twist lock
    Patent number: D837035
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: January 1, 2019
    Inventor: Guoqiang “Aston” Zhu