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Doubly steered acoustic array
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Patent number 8,599,648
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Issue date Dec 3, 2013
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Image Acoustics, Inc.
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John L. Butler
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Hybrid transducer
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Patent number 5,047,683
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Issue date Sep 10, 1991
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Image Acoustics, Inc.
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John L. Butler
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Flextensional transducer
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Patent number 4,864,548
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Issue date Sep 5, 1989
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Image Acoustics, Inc.
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John L. Butler
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Flextensional transducer
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Patent number 4,742,499
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Issue date May 3, 1988
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Image Acoustics, Inc.
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John L. Butler
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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85261893 - X-SPRING
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Serial number 85261893
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Registration number 4151301
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Filing date Mar 9, 2011
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Image Acoustics, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76462041 - X-SPRING
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Serial number 76462041
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Registration number 2846063
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Filing date Oct 25, 2002
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Image Acoustics, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75338110 - IMAGE ACOUSTICS
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Serial number 75338110
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Registration number 2277105
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Filing date Aug 8, 1997
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Image Acoustics, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments