Song-Won Seo

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Daejeon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Opening and closing device for lift-up sliding doors and windows
- Patent number 7,971,392
- Issue date Jul 5, 2011
- LG Chem, Ltd.
- Song-Won Seo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
OPENING AND CLOSING DEVICE FOR LIFT-UP SLIDING DOORS AND WINDOWS
- Publication number 20090013605
- Publication date Jan 15, 2009
- LG CHEM, LTD.
- Song-Won Seo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES