Patents by Inventor Mianchao Guo

Mianchao Guo 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).

  • Corn sheller
    Patent number: D937642
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: December 7, 2021
    Inventor: Mianchao Guo
  • Apple cutter base
    Patent number: D973453
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: December 27, 2022
    Inventor: Mianchao Guo
  • Multifunctional pineapple cutter with knife
    Patent number: D1020408
    Type: Grant
    Filed: November 13, 2022
    Date of Patent: April 2, 2024
    Inventor: Mianchao Guo
  • Grape cutter
    Patent number: D1035400
    Type: Grant
    Filed: March 29, 2024
    Date of Patent: July 16, 2024
    Inventor: Mianchao Guo
  • Adjustable cup holder
    Patent number: D1059133
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: January 28, 2025
    Inventor: Mianchao Guo