Patents by Inventor Aifang Zeng

Aifang 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).

  • Trampoline
    Patent number: D920458
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: May 25, 2021
    Inventor: Aifang Zeng
  • Trampoline
    Patent number: D941414
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: January 18, 2022
    Inventor: Aifang Zeng