Jiehao Zhang

Follow

Person

Xiamen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Dual-ring tubular lock assembly
- Patent number 9,945,157
- Issue date Apr 17, 2018
- XIAMAN MAKE SECURITY TECHNOLOGY CO., LTD.
- Jiehao Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
DUAL-RING TUBULAR LOCK ASSEMBLY
- Publication number 20180058104
- Publication date Mar 1, 2018
- XIAMEN MAKE SECURITY TECHNOLOGY CO., LTD.
- Jiehao Zhang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES