ZHANGPING GONG

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NANJING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Safety locking mechanism for lockset
- Patent number 9,822,555
- Issue date Nov 21, 2017
- Najing Easthouse Electrical Co., Ltd.
- Hao Min
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
SAFETY LOCKING MECHANISM FOR LOCKSET
- Publication number 20170122008
- Publication date May 4, 2017
- HAO MIN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
METHODS AND SYSTEMS OF ELECTRONIC AND MECHANICAL DUAL COMBINATION L...
- Publication number 20170051531
- Publication date Feb 23, 2017
- HAO MIN
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES