Choongryeol Park

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing synthetic leather using different liquid s...
- Patent number 9,925,752
- Issue date Mar 27, 2018
- JEONGSAN INTERNATIONAL CO., LTD
- Dowan Kweon
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING SYNTHETIC LEATHER USING DIFFERENT LIQUID S...
- Publication number 20150165745
- Publication date Jun 18, 2015
- DAEWOO INTERNATIONAL CORPORATION
- Dowan Kweon
- B32 - LAYERED PRODUCTS