Patents by Inventor Shengbin Yan

Shengbin Yan 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).

  • Ladder
    Patent number: D972169
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: December 6, 2022
    Inventor: Shengbin Yan
  • Tool tray for step ladder
    Patent number: D1007008
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: December 5, 2023
    Inventor: Shengbin Yan