Patents/Assignees

SHANGHAI MING WEI HARDWARE CO., Ltd.

4 patents in portfolio

US12577806utility2026
Narrow-type Door-lock Driving Device
0 cites
US12559987utility2026
Switching Device for Delayed Unlocking Function
0 cites
US12480336utility2025
Delayed Unlocking Push-down Type Emergency Door-locking Device
0 cites
US12209436utility2025
Cross Bar Type Unlock-driving Structure
0 cites