Patents by Inventor Shiping Zeng

Shiping Zeng 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).

  • Electric hair straightening brush
    Patent number: D904032
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: December 8, 2020
    Assignee: Guangzhou Welltop Electronic Co., Ltd.
    Inventor: Shiping Zeng
  • Brush handle
    Patent number: D930987
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: September 21, 2021
    Assignee: Guangzhou Welltop Electronic Co., Ltd.
    Inventor: Shiping Zeng
  • Hair curler handle
    Patent number: D1023456
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: April 16, 2024
    Inventor: Shiping Zeng