King-Sung Yu

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Yuanlin Township, Changhua County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Patch fitting with closing function
- Patent number 8,578,557
- Issue date Nov 12, 2013
- Leado Door Controls Ltd.
- King-Sung Yu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Auto-return apparatus for glass door
- Patent number 8,578,556
- Issue date Nov 12, 2013
- Leado Door Controls Ltd.
- King-Sung Yu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Patch fitting with auto-return function
- Patent number 8,528,169
- Issue date Sep 10, 2013
- Leado Door Controls Ltd.
- King-Sung Yu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES