Lang Xu

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Locking apparatus
- Patent number 9,903,140
- Issue date Feb 27, 2018
- Huawei Technologies Co., Ltd.
- Chang Shi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Locking Apparatus
- Publication number 20140353984
- Publication date Dec 4, 2014
- Chang Shi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES