Patents by Inventor Liyi Zheng

Liyi 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).

  • Abdominal trainer
    Patent number: D973157
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: December 20, 2022
    Assignee: Zhengzhou Anfen Trading Co., Ltd.
    Inventor: Liyi Zheng
  • Exercise equipment
    Patent number: D1016937
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: March 5, 2024
    Assignee: ZHENGZHOU ANFEN TRADING CO., LTD
    Inventor: Liyi Zheng