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last 30 patents
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Patent Grant
Bearing structure
Patent number
7,556,434
Issue date
Jul 7, 2009
Rui-Hong Weng
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Light sense controller
Patent number
7,258,575
Issue date
Aug 21, 2007
Rui-Hong Weng
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Bearing structure
Publication number
20060147132
Publication date
Jul 6, 2006
Rui-Hong Weng
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...