Patents Assigned to NINGBO TUOTUO RIVER DESIGN COMPANY
  • Patent number: D936071
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: November 16, 2021
    Assignee: NINGBO TUOTUO RIVER DESIGN COMPANY
    Inventor: Xiaodong You
  • Patent number: D949871
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: April 26, 2022
    Assignee: NINGBO TUOTUO RIVER DESIGN COMPANY
    Inventor: Xiaodong You
  • Patent number: D951681
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: May 17, 2022
    Assignee: NINGBO TUOTUO RIVER DESIGN COMPANY
    Inventor: Xiaodong You
  • Patent number: D951682
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: May 17, 2022
    Assignee: NINGBO TUOTUO RIVER DESIGN COMPANY
    Inventor: Xiaodong You
  • Patent number: D956769
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: July 5, 2022
    Assignee: NINGBO TUOTUO RIVER DESIGN COMPANY
    Inventors: Gaobo Lin, Hongjun Wang