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last 30 patents
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Patent Application
Code changing structure applied to key coded lock
Publication number
20230212878
Publication date
Jul 6, 2023
XIAMEN MAKE SECURITY TECHNOLOGY CO., LTD.
Yijian LI
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
NOVEL CODE WHEEL COMBINATION LOCK
Publication number
20230127631
Publication date
Apr 27, 2023
XIAMEN MAKE SECURITY TECHNOLOGY CO., LTD.
Yijian Li
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
COMBINATION LOCK
Publication number
20230022564
Publication date
Jan 26, 2023
XIAMEN MAKE SECURITY TECHNOLOGY CO., LTD.
Yijian Li
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES