TREA

Sung Keun Lee

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  • Huizhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Illuminated exit sign
    • Patent number D625363
    • Issue date Oct 12, 2010
    • Je Woo Corporation, Ltd., Hui Yang
    • Sung Keun Lee
    • D20 - Sales and advertising equipment
  • Information Patent Grant

    Combined illuminated emergency and exit sign
    • Patent number D623237
    • Issue date Sep 7, 2010
    • Je Woo Corporation, Ltd., Hui Yang
    • Sung Keun Lee
    • D20 - Sales and advertising equipment