Patents by Inventor Donglang He

Donglang He 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).

  • Office chair
    Patent number: D895996
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: September 15, 2020
    Inventors: Guicheng Shen, Donglang He
  • Office chair
    Patent number: D913007
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: March 16, 2021
    Inventors: Guicheng Shen, Donglang He
  • Office chair
    Patent number: D975459
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: January 17, 2023
    Inventors: Guicheng Shen, Donglang He