En J. Jean

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Changwon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a dipper stick for an excavator from high strength...
- Patent number 5,316,709
- Issue date May 31, 1994
- Samsung Heavy Industries Co., Ltd.
- Jae I. Ko
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dipper stick for excavator of high strength polymeric composite mat...
- Patent number 5,245,770
- Issue date Sep 21, 1993
- Samsung Heavy Industries, Co., Ltd.
- Jae I. Ko
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL