TREA

Cheng-Hui CHEN

Follow

Person

  • Tainan, TW
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Maze game component
    • Patent number D853515
    • Issue date Jul 9, 2019
    • Chia-Chern Chen
    • D21 - Games, toys, and sports goods

Patents Applicationslast 30 patents