Cha Gun Gang

Person

  • Suwon-Si, KR

Patents Grantslast 30 patents

  • Information Patent Grant

    Battery charger for electronic device

    • Patent number D771564
    • Issue date Nov 15, 2016
    • DRTECH CORP
    • Choul Woo Shin
    • D13 - Equipment for production, distribution, or transformation of energy