TREA

Chang Log Jeong

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  • Seoul, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Contra-rotating mechanism
    • Patent number 9,109,667
    • Issue date Aug 18, 2015
    • Chang Log Jeong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTRA-ROTATING MECHANISM
    • Publication number 20110172047
    • Publication date Jul 14, 2011
    • Chang Log Jeong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Fitter clamp for a pipe
    • Publication number 20060012170
    • Publication date Jan 19, 2006
    • Chang Log Jeong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...