Patents by Inventor Guozhao Tan

Guozhao Tan 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).

  • Night light
    Patent number: D864429
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: October 22, 2019
    Assignee: Zhongshan Winstar Electrical Co., Ltd.
    Inventors: Baohua Zhang, Guozhao Tan
  • Night light
    Patent number: D905299
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: December 15, 2020
    Assignee: Zhongshan Winstar Electrical Co., Ltd.
    Inventors: Baohua Zhang, Guozhao Tan
  • Night light
    Patent number: D923210
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: June 22, 2021
    Assignee: Zhongshan Winstar Electrical Co., Ltd.
    Inventors: Guozhao Tan, Wei Bin Lin
  • Night light
    Patent number: D923211
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 22, 2021
    Assignee: Zhongshan Winstar Electrical Co., Ltd.
    Inventors: Baohua Zhang, Guozhao Tan