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Shaodong Chen
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Suzhou, CN
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Patents Grants
last 30 patents
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Patent Grant
Trolley member of garage door opener system
Patent number
6,840,010
Issue date
Jan 11, 2005
Positec Power Tools (Suzhou) Co., Ltd.
Shaodong Chen
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
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Patent Application
Trolley member of garage door opener system
Publication number
20040055219
Publication date
Mar 25, 2004
Shaodong Chen
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES