Saeng Yoon Woo

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Patents Grantslast 30 patents

Information Patent Grant
Automatic door closure unit
- Patent number 8,677,561
- Issue date Mar 25, 2014
- Saeng Yoon Woo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC DOOR CLOSURE UNIT
- Publication number 20120144623
- Publication date Jun 14, 2012
- Saeng Yoon Woo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES