Patents by Inventor Ching-Hsueh Lin

Ching-Hsueh Lin 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).

  • Wheeled walker
    Patent number: D798777
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 3, 2017
    Assignee: CHARMING WORLD INC.
    Inventor: Ching-Hsueh Lin
  • Wheeled walker
    Patent number: D798778
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 3, 2017
    Assignee: CHARMING WORLD INC.
    Inventor: Ching-Hsueh Lin
  • Wheeled walker
    Patent number: D865575
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 5, 2019
    Assignee: Charming World Inc.
    Inventor: Ching-Hsueh Lin
  • Wheeled walker
    Patent number: D903538
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 1, 2020
    Assignee: CHARMING WORLD INC.
    Inventor: Ching-Hsueh Lin
  • Wheeled walker
    Patent number: D960771
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: August 16, 2022
    Assignee: CHARMING WORLD INC.
    Inventor: Ching-Hsueh Lin