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Fong Lin Leong
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Singapore, SG
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Patents Grants
last 30 patents
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Patent Grant
Ear bud earphone with variable noise isolation, a cushion for an ea...
Patent number
8,391,533
Issue date
Mar 5, 2013
Creative Technology Ltd.
Wong Hoo Sim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
EAR BUD EARPHONE WITH VARIABLE NOISE ISOLATION, A CUSHION FOR AN EA...
Publication number
20100246878
Publication date
Sep 30, 2010
Creative Technology Ltd.
Wong Hoo Sim
H04 - ELECTRIC COMMUNICATION TECHNIQUE