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Jackson Luk Wah Chu
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Hong Kong, HK
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last 30 patents
Information
Patent Grant
Flexible electroluminescent strip having supplementary control cond...
Patent number
6,717,360
Issue date
Apr 6, 2004
Ewig Industries, Co., Ltd.
Jackson Luk Wah Chu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electroluminescent lighting device
Patent number
6,527,401
Issue date
Mar 4, 2003
Ewig Industries Co. Ltd.
Jackson Luk Wah Chu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Device having multiple conductive contact switches
Publication number
20070018509
Publication date
Jan 25, 2007
Ewig Industries Macao Commercial Offshore Limited
Jackson Luk Wah Chu
H03 - BASIC ELECTRONIC CIRCUITRY