Chan Ho Hong

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Hinge apparatus having automatic return function
- Patent number 7,966,693
- Issue date Jun 28, 2011
- I-One Innotech Co., Ltd.
- Soon Woo Choi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
HINGE APPARATUS HAVING AUTOMATIC RETURN FUNCTION FOR USE IN BUILDIN...
- Publication number 20090241289
- Publication date Oct 1, 2009
- Soon Woo Choi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES