Patents by Inventor Fengfeng Ma

Fengfeng Ma 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).

  • Patent number: D932807
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: October 12, 2021
    Inventor: Fengfeng Ma
  • Patent number: D1004968
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: November 21, 2023
    Inventors: Chaozhengfu Yuan, Fengfeng Ma
  • Patent number: D1043122
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: September 24, 2024
    Assignee: Shenzhen Qingshan Orange Network Technology Co., Ltd.
    Inventors: Chaozhengfu Yuan, Fengfeng Ma