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Total properties:
12
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Patent #:
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Issue Dt:
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04/22/1986
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Application #:
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06556776
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Filing Dt:
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12/01/1983
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Title:
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AUDIO TRANSDUCER WITH CONTROLLED FLEXIBILITY DIAPHRAGM
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Patent #:
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Issue Dt:
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02/20/1990
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Application #:
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07154945
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Filing Dt:
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02/10/1988
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Title:
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AUDIO TRANSDUCER WITH CONTROLLED FLEXIBILITY DIAPHRAGM
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Patent #:
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Issue Dt:
|
03/30/1993
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Application #:
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07436914
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Filing Dt:
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11/14/1989
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Title:
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AUDIO TRANSDUCER WITH CONTROLLED FLEXIBILITY DIAPHRAGM
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Patent #:
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Issue Dt:
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06/30/1992
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Application #:
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07499492
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Filing Dt:
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03/29/1990
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Title:
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CENTERING DEVICE FOR SPEAKER DIAPHRAGM
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Patent #:
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Issue Dt:
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09/28/1993
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Application #:
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07708924
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Filing Dt:
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05/31/1991
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Title:
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AUDIO TRANSDUCER IMPROVEMENTS
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Patent #:
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Issue Dt:
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07/20/1993
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Application #:
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07730172
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Filing Dt:
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07/12/1991
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Title:
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AUDIO TRANSDUCER IMPROVEMENTS
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Patent #:
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Issue Dt:
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09/12/1995
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Application #:
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07882144
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Filing Dt:
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05/11/1992
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Title:
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AUDIO TRANSDUCER IMPROVEMENTS
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|
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Patent #:
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|
Issue Dt:
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03/10/1998
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Application #:
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08236209
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Filing Dt:
|
05/02/1994
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Title:
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AUDIO TRANSDUCER HAVING PIEZOELECTRIC DEVICE
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|
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Patent #:
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Issue Dt:
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02/18/1997
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Application #:
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08272295
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Filing Dt:
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07/08/1994
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Title:
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SINGLE MAGNET AUDIO TRANSDUCER AND METHOD OF MANUFACTURING
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Patent #:
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Issue Dt:
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07/29/1997
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Application #:
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08286625
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Filing Dt:
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08/05/1994
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Title:
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RESONANCE DAMPER FOR PIEZOELECTRIC TRANSDUCER
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|
|
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Patent #:
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Issue Dt:
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08/29/1995
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Application #:
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08322108
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Filing Dt:
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10/12/1994
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Title:
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AUDIO TRANSDUCER WITH ETCHED VOICE COIL
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Patent #:
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Issue Dt:
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10/29/1996
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Application #:
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08384380
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Filing Dt:
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02/03/1995
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Title:
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AUDIO TRANSDUCER WITH FLEXIBLE FOAM ENCLOSURE
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