Patents by Inventor Guowen Zheng

Guowen Zheng 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).

  • Cosmetic facial mask
    Patent number: D909674
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: February 2, 2021
    Assignee: SHENZHEN HONGWANG NICEMAY ELECTRIC CO., LTD
    Inventors: Shasha Xiong, Kaiqiang Qiu, Guowen Zheng
  • Eye massager
    Patent number: D924423
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: July 6, 2021
    Assignee: Shenzhen Hongwang Nicemay Electric Co., Ltd
    Inventors: Dewei Luo, Yongpeng Tang, Guowen Zheng