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Joseph Y. Ko
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Irvine, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Solar power alarm lamp
Patent number
8,292,452
Issue date
Oct 23, 2012
Joseph Y. Ko
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
MODULAR AUTOMATIC TRAVELING APPARATUS
Publication number
20120189507
Publication date
Jul 26, 2012
Joseph Y. KO
F24 - HEATING RANGES VENTILATING
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Patent Application
AUTOMATIC VEERING STRUCTURE FOR FLOOR CLEANING APPARATUS
Publication number
20120065830
Publication date
Mar 15, 2012
Joseph Y. KO
G05 - CONTROLLING REGULATING
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Patent Application
CLEANING CLOTH HOLDING STRUCTURE FOR MOPPING APPARATUS
Publication number
20120060313
Publication date
Mar 15, 2012
Joseph Y. Ko
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Patent Application
SOLAR POWER ALARM LAMP
Publication number
20110299272
Publication date
Dec 8, 2011
Joseph Y. KO
F21 - LIGHTING