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Chao-Ming Chang
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Chiayi City, TW
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Patents Grants
last 30 patents
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Patent Grant
Hinge device having two back-to-back interconnected C-shaped clamps
Patent number
7,886,406
Issue date
Feb 15, 2011
Chao-Ming Chang
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
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Patent Application
Hinge Device Having Interconnected C-Shaped Clamps
Publication number
20100299877
Publication date
Dec 2, 2010
Chao-Ming Chang
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Hinge Device Having Two Back-To-Back Interconnected C-Shaped Clamps
Publication number
20100180404
Publication date
Jul 22, 2010
Chao-Ming Chang
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES