Chang Bo Yuon

Person

  • Saitamaken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Non-slip floor panel

    • Patent number D754371
    • Issue date Apr 19, 2016
    • DONGSHIN POLYMER CO., LTD.
    • Young Douk Oh
    • D25 - Building units and construction elements
  • Information Patent Grant

    Non-slip floor panel

    • Patent number D754372
    • Issue date Apr 19, 2016
    • DONGSHIN POLYMER CO., LTD.
    • Young Douk Oh
    • D25 - Building units and construction elements