Chang-Hyeon Ji

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Kwang-Myung City, KR

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Patents Grantslast 30 patents

Information Patent Grant
Leak control valve
- Patent number 6,830,064
- Issue date Dec 14, 2004
- Chang-Hyeon Ji
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Leak control valve
- Publication number 20030037821
- Publication date Feb 27, 2003
- Chang-Hyeon Ji
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...