Yong-Dae Lee

Person

  • Seoul, KR

Patents Grantslast 30 patents

  • Information Patent Grant

    Plate valve for bubble generator

    • Patent number D675330
    • Issue date Jan 29, 2013
    • Apollo Industrial Co., Ltd.
    • Yong-Dae Lee
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Filter support pipe for bubble generator

    • Patent number D645945
    • Issue date Sep 27, 2011
    • Apollo Industrial Co., Ltd.
    • Yong-Dae Lee
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Air piston for bubble generator

    • Patent number D645566
    • Issue date Sep 20, 2011
    • Apollo Industrial Co., Ltd.
    • Yong-Dae Lee
    • D24 - Medical and laboratory equipment