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Jiazheng Sha
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La Verne, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Twin magnetic loop multifunctional vibrator-speaker transducer
Patent number
7,099,489
Issue date
Aug 29, 2006
American Audio Components Inc.
Zheng Min Pan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Twin magnetic loop used in the electro-acoustic device
Publication number
20040076307
Publication date
Apr 22, 2004
American Audio Components, Inc.
Zheng Min Pan
H04 - ELECTRIC COMMUNICATION TECHNIQUE