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Piezolelectric devices
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Patent number 7,486,004
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Issue date Feb 3, 2009
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1... Limited
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James Allan
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H01 - BASIC ELECTRIC ELEMENTS
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Loudspeaker
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Patent number 7,302,068
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Issue date Nov 27, 2007
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1... Limited
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Simon Andrew Longbottom
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Piezoelectric structures
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Patent number 7,166,952
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Issue date Jan 23, 2007
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1... Limited
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Richard Topliss
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H01 - BASIC ELECTRIC ELEMENTS
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Electro active devices
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Patent number 6,833,656
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Issue date Dec 21, 2004
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1... Limited
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Anthony Hooley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE