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Patent #:
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Issue Dt:
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06/11/1991
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Application #:
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07409006
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Filing Dt:
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09/18/1989
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Title:
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TRANSDUCER ENCLOSURE
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Patent #:
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Issue Dt:
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05/14/1991
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Application #:
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07448523
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Filing Dt:
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12/11/1989
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Title:
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AMPLIFIER CONTROL SYSTEM
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Patent #:
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Issue Dt:
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03/05/1991
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Application #:
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07460833
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Filing Dt:
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12/18/1989
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Title:
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LOUDSPEAKER MOUNTING
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Patent #:
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Issue Dt:
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08/25/1992
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Application #:
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07508915
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Filing Dt:
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04/12/1990
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Title:
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COMBINED SPEAKER AND STAND THEREFOR
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Patent #:
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Issue Dt:
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09/03/1991
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Application #:
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07518759
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Filing Dt:
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05/03/1990
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Title:
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SIXTEEN LEVEL POWER SUPPLY WITH ASYNCHRONOUS CONTROLLER
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Patent #:
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Issue Dt:
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04/28/1992
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Application #:
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07525407
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Filing Dt:
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05/18/1990
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Title:
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ELECTROACOUSTIC SYSTEM
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Patent #:
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Issue Dt:
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12/15/1992
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Application #:
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07533091
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Filing Dt:
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06/08/1990
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Title:
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SURROUND PROCESSOR
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Patent #:
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Issue Dt:
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06/16/1992
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Application #:
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07551201
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Filing Dt:
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07/11/1990
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Title:
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LOUDSPEAKER SUSPENSION
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Patent #:
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Issue Dt:
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10/19/1993
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Application #:
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07623283
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Filing Dt:
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12/05/1990
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Title:
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ACOUSTIC TRANSDUCER FOR AUTOMOTIVE NOISE CANCELLATION
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Patent #:
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Issue Dt:
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07/14/1992
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Application #:
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07635886
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Filing Dt:
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01/02/1991
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Title:
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DOCKING AMPLIFIER HOUSING ASSEMBLY
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Patent #:
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Issue Dt:
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08/04/1992
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Application #:
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07639043
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Filing Dt:
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01/09/1991
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Title:
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SOUND REPRODUCTION
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Patent #:
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Issue Dt:
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09/01/1992
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Application #:
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07663151
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Filing Dt:
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03/01/1991
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Title:
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SPEAKER MOUNTING ASSEMBLY
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Patent #:
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Issue Dt:
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11/03/1992
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Application #:
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07787532
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Filing Dt:
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11/04/1991
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Title:
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ACOUSTIC ANALYSIS
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Patent #:
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Issue Dt:
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11/16/1993
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Application #:
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07789529
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Filing Dt:
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11/14/1991
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Title:
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TIME CONSTANT PROCESSING CIRCUIT FOR SURROUND PROCESSOR
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Patent #:
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Issue Dt:
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03/30/1993
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Application #:
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07789530
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Filing Dt:
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11/14/1991
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Title:
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SURROUND SOUND LOUDSPEAKERS AND PROCESSOR
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Patent #:
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Issue Dt:
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07/27/1993
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Application #:
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07816658
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Filing Dt:
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01/03/1992
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Title:
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ACTUATOR FOR ACTIVE VIBRATION CONTROL
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Patent #:
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Issue Dt:
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06/08/1993
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Application #:
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07817862
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Filing Dt:
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01/06/1992
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Title:
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SWITCHING AMPLIFIER
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Patent #:
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Issue Dt:
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11/03/1992
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Application #:
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07837166
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Filing Dt:
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02/18/1992
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Title:
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CLASS D AMPLIFIER
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Patent #:
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Issue Dt:
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08/01/1995
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Application #:
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07867314
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Filing Dt:
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04/09/1992
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Title:
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ARRANGEMENT TO CORRECT THE LINEAR AND NONLINEAR TRANSFER BEHAVIOR OF ELECTRO-ACOUSTICAL TRANSDUCERS
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Patent #:
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Issue Dt:
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07/27/1993
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Application #:
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07904210
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Filing Dt:
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06/25/1992
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Title:
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VIBRATORY COMPRESSOR-ACTUATOR
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Patent #:
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Issue Dt:
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02/15/1994
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Application #:
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07905282
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Filing Dt:
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06/26/1992
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Title:
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ARRANGEMENT FOR REPRODUCING BASS TONES IN A VEHICLE
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Patent #:
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Issue Dt:
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02/14/1995
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Application #:
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07941109
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Filing Dt:
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12/30/1992
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Title:
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METHOD OF TUNING A RADIO RECEIVER USING RDS INFOMATION
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Patent #:
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Issue Dt:
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09/07/1993
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Application #:
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07962275
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Filing Dt:
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10/16/1992
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Title:
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CONICAL LOUDSPEAKER
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Patent #:
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Issue Dt:
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04/26/1994
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Application #:
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07967446
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Filing Dt:
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10/28/1992
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Title:
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SURROUND PROCESSOR WITH ANTIPHASE BLENDING AND PANORAMA CONTROL CIRCUITRY
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Patent #:
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Issue Dt:
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08/16/1994
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Application #:
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07983645
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Filing Dt:
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12/01/1992
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Title:
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APPARATUS FOR ENHANCING MONOPHONIC AUDIO SIGNALS USING PHASE SHIFTERS
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Patent #:
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Issue Dt:
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04/05/1994
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Application #:
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07983687
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Filing Dt:
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12/01/1992
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Title:
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SURROUND SOUND LOUDSPEAKERS
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Patent #:
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Issue Dt:
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01/18/1994
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Application #:
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07983689
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Filing Dt:
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12/01/1992
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Title:
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BAND PASS FILTER CIRCUIT FOR REAR CHANNEL FILTERING IN A SURROUND PROCESSOR
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Patent #:
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Issue Dt:
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03/15/1994
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Application #:
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07984863
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Filing Dt:
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12/01/1992
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Title:
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CONTROL VOLTAGE GENERATOR FOR SURROUND SOUND PROCESSOR
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Patent #:
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Issue Dt:
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06/27/1995
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Application #:
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07990660
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Filing Dt:
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12/14/1992
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Title:
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CONTROL VOLTAGE GENERATOR MULTIPLIER AND ONE-SHOT FOR INTEGRATED SURROUND SOUND PROCESSOR
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Patent #:
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Issue Dt:
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05/03/1994
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Application #:
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07996498
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Filing Dt:
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12/23/1992
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Title:
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AUDIO MULTIPLEXER
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Patent #:
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Issue Dt:
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01/04/1994
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Application #:
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08001400
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Filing Dt:
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01/06/1993
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Title:
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SIXTEEN LEVEL POWER SUPPLY WITH ASYNCHRONOUS CONTROLLER
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Patent #:
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Issue Dt:
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09/26/1995
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Application #:
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08029653
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Filing Dt:
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03/11/1993
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Title:
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IMPROVEMENTS IN OR RELATING TO THE DIGITAL CONTROL OF ANALOG SYSTEMS
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Patent #:
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Issue Dt:
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09/06/1994
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Application #:
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08075230
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Filing Dt:
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06/10/1993
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Title:
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POWER SUPPLY MODULATOR CIRCUIT FOR TRANSMITTER
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Patent #:
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Issue Dt:
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03/21/1995
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Application #:
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08088000
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Filing Dt:
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07/02/1993
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Title:
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AUDIO IMAGE ENHANCEMENT SYSTEM
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Patent #:
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Issue Dt:
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03/14/1995
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Application #:
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08100473
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Filing Dt:
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08/02/1993
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Title:
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COAXIAL LOUDSPEAKER SYSTEM
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Patent #:
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Issue Dt:
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01/31/1995
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Application #:
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08116572
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Filing Dt:
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09/07/1993
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Title:
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SOUND SYSTEM REMOTE CONTROL WITH ACOUSTIC SENSOR
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Patent #:
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Issue Dt:
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01/24/1995
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Application #:
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08116672
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Filing Dt:
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09/07/1993
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Title:
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APPARATUS FOR CENTERING AN ACTUATOR COIL
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Patent #:
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Issue Dt:
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03/28/1995
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Application #:
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08129755
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Filing Dt:
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09/30/1993
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Title:
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LIGHT-WEIGHT CONICAL LOUDSPEAKER
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Patent #:
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Issue Dt:
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06/13/1995
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Application #:
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08159771
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Filing Dt:
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11/30/1993
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Title:
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ELECTROMAGNETIC CONVERTER
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Patent #:
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Issue Dt:
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08/01/1995
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Application #:
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08232772
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Filing Dt:
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04/25/1994
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Title:
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SLEW RATE CONTROL IN A MULTI-LEVEL SWITCH
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Patent #:
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Issue Dt:
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04/02/1996
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Application #:
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08276901
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Filing Dt:
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07/18/1994
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Title:
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SURROUND SOUND PROCESSOR WITH IMPROVED CONTROL VOLTAGE GENERATOR
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Patent #:
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Issue Dt:
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06/25/1996
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Application #:
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08302641
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Filing Dt:
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09/08/1994
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Title:
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RANDOM CLOCK GENERATING CIRCUIT AND METHOD FOR CONTROL OF ELECTRICAL SYSTEMS THEREOF
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Patent #:
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Issue Dt:
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03/19/1996
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Application #:
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08320450
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Filing Dt:
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10/11/1994
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Title:
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INDEPENDENT AMPLIFIER CONTROL MODULE
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Patent #:
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Issue Dt:
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09/03/1996
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Application #:
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08326643
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Filing Dt:
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10/20/1994
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Title:
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METHOD FOR DETECTING INFORMATION IN A RDS DATA FLOW
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Patent #:
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Issue Dt:
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10/03/1995
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Application #:
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08327441
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Filing Dt:
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10/21/1994
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Title:
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TEMPERATURE/ENVIRONMENT-RESISTANT TRANSDUCER SUSPENSION
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Patent #:
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Issue Dt:
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09/02/1997
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Application #:
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08338434
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Filing Dt:
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11/14/1994
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Title:
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LOW TCR WIRE IN HIGH POWER AUDIO COILS
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Patent #:
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Issue Dt:
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11/14/1995
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Application #:
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08348739
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Filing Dt:
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12/02/1994
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Title:
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ARRANGEMENT FOR ACTIVE SOUND DAMPING
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Patent #:
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Issue Dt:
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06/04/1996
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Application #:
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08353892
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Filing Dt:
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12/12/1994
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Title:
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DOUBLE CHAMBER BASS REFLEX BOX
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Patent #:
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Issue Dt:
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11/12/1996
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Application #:
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08358742
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Filing Dt:
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12/19/1994
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Title:
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SUSPENSION MOUNT FOR LOUDSPEAKERS
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Patent #:
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Issue Dt:
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07/02/1996
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Application #:
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08377038
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Filing Dt:
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01/23/1995
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Title:
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LOUDSPEAKER THERMAL MANAGEMENT STRUCTURE
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Patent #:
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Issue Dt:
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05/01/2001
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Application #:
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08408550
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Filing Dt:
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03/21/1995
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Title:
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METHOD OF MAKING A SPEAKER
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Patent #:
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Issue Dt:
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04/30/1996
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Application #:
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08413192
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Filing Dt:
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03/27/1995
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Title:
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SWITCH-MODE POWER SUPPLY FOR BRIDGED LINEAR AMPLIFIER
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Patent #:
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Issue Dt:
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12/16/1997
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Application #:
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08447888
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Filing Dt:
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05/23/1995
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Title:
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LOUDSPEAKERS
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Patent #:
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Issue Dt:
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12/03/1996
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Application #:
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08447972
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Filing Dt:
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05/23/1995
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Title:
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A LOUDSPEAKER SUITABLE FOR HIGH-TEMPERATURE USE HAVING A NON-ADHESIVE CONNECTION BETWEEN THE VOICE COIL SUPPORT AND THE LOUDSPEAKER DIAPHRAGM
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Patent #:
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Issue Dt:
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07/08/1997
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Application #:
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08448256
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Filing Dt:
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05/23/1995
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Title:
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VOICE COIL SUPPORT FOR LOUDSPEAKER
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Patent #:
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Issue Dt:
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08/12/1997
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Application #:
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08520705
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Filing Dt:
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08/29/1995
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Title:
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OPPOSED CURRENT POWER CONVERTER
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Patent #:
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Issue Dt:
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02/11/1997
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Application #:
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08542364
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Filing Dt:
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10/12/1995
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Title:
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SPACEFRAME WITH ARRAY ELEMENT POSITIONING
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Patent #:
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Issue Dt:
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01/06/1998
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Application #:
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08552718
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Filing Dt:
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11/03/1995
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Title:
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FRONT-LOCKING SWIVEL BALL LOUDSPEAKER MOUNT
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Patent #:
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Issue Dt:
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09/08/1998
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Application #:
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08580881
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Filing Dt:
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12/29/1995
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Title:
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LIGHT SENSITIVE SWITCH WITH MICROPHONE
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Patent #:
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Issue Dt:
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07/01/1997
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Application #:
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08624907
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Filing Dt:
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03/27/1996
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Title:
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SURROUND SOUND PROCESSOR WITH IMPROVED CONTROL VOLTAGE GENERATOR
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Patent #:
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Issue Dt:
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04/29/1997
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Application #:
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08631603
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Filing Dt:
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04/02/1996
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Title:
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SIX-AXIS SURROUND SOUND PROCESSOR WITH IMPROVED MATRIX AND CANCELLATION CONTROL
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Patent #:
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Issue Dt:
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09/09/1997
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Application #:
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08637071
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Filing Dt:
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04/24/1996
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Title:
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SIX-AXIS SURROUND SOUND PROCESSOR WITH AUTOMATIC BALANCING AND CALIBRATION
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Patent #:
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Issue Dt:
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12/30/1997
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Application #:
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08683253
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Filing Dt:
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07/18/1996
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Title:
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SYSTEM FOR CANCELLING SOUND WAVES
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Patent #:
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Issue Dt:
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08/18/1998
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Application #:
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08684948
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Filing Dt:
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07/19/1996
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Title:
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MULTICHANNEL ACTIVE MATRIX SOUND REPRODUCTION WITH MAXIMUM LATERAL SEPARATION
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Patent #:
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Issue Dt:
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03/17/1998
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Application #:
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08690322
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Filing Dt:
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07/25/1996
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Title:
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MAGNET SYSTEM
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Patent #:
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Issue Dt:
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03/23/1999
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Application #:
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08693399
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Filing Dt:
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08/07/1996
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Title:
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DIPOLE SPEAKER HEADRESTS
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Patent #:
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Issue Dt:
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04/21/1998
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Application #:
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08704603
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Filing Dt:
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09/20/1996
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Title:
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MODULAR TWEETER
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Patent #:
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Issue Dt:
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02/09/1999
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Application #:
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08742460
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Filing Dt:
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11/01/1996
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Title:
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MULTICHANNEL ACTIVE MATRIX ENCODER AND DECODER WITH MAXIMUM LATERAL SEPARATION
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Patent #:
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Issue Dt:
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07/31/2001
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Application #:
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08755578
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Filing Dt:
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11/13/1996
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Title:
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LOUDSPEAKER SPIDER, METHOD OF MAKING IT AND LOUDSPEAKER INCORPORATING IT
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Patent #:
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Issue Dt:
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05/05/1998
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Application #:
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08798124
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Filing Dt:
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02/12/1997
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Title:
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DUAL COIL DRIVE WITH MULTIPURPOSE HOUSING
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Patent #:
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Issue Dt:
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03/16/1999
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Application #:
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08809211
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Filing Dt:
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03/17/1997
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Title:
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SOUND SYSTEM
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Patent #:
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Issue Dt:
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07/17/2001
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Application #:
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08815638
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Filing Dt:
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03/13/1997
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Title:
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POWER AMPLIFIER AND LOUDSPEAKER FRAME INTEGRATION
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Patent #:
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Issue Dt:
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02/29/2000
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Application #:
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08826195
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Filing Dt:
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03/27/1997
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Title:
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LOUDSPEAKER
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Patent #:
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Issue Dt:
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02/02/1999
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Application #:
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08828930
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Filing Dt:
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03/28/1997
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Title:
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TWIST-LOCK-MOUNTABLE VERSATILE LOUDSPEAKER MOUNT
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Patent #:
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Issue Dt:
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03/16/1999
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Application #:
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08843384
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Filing Dt:
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04/15/1997
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Title:
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SLOTTED DIAPHRAGM LOUDSPEAKER
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Patent #:
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Issue Dt:
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03/19/2002
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Application #:
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08843987
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Filing Dt:
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04/17/1997
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Publication #:
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Pub Dt:
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11/22/2001
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Title:
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LOUDSPEAKER
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Patent #:
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Issue Dt:
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06/23/1998
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Application #:
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08852261
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Filing Dt:
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05/06/1997
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Title:
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SUBWOOFER - LOUDSPEAKER BOX
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Patent #:
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Issue Dt:
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10/19/1999
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Application #:
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08857516
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Filing Dt:
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05/16/1997
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Title:
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STEREO SPATIAL ENHANCEMENT SYSTEM
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Patent #:
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Issue Dt:
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02/16/1999
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Application #:
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08858554
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Filing Dt:
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05/19/1997
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Title:
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DYNAMIC STEREOPHONIC ENCHANCEMENT SIGNAL PROCESSING SYSTEM
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Patent #:
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Issue Dt:
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01/09/2001
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Application #:
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08880329
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Filing Dt:
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06/23/1997
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Title:
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STEERING OF MONAURAL SOURCES OF SOUND USING USING HEAD RELATED TRANSFER FUNCTIONS
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Patent #:
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Issue Dt:
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01/19/1999
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Application #:
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08883869
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Filing Dt:
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06/27/1997
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Title:
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PROGRAMMABLE CENTRAL INTELLIGENCE CONTROLLER AND DISTIBUTED INTELLIGENCE NETWORK FOR ANALOG/DIGITAL CONTROL SYSTEMS
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Patent #:
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01/12/1999
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Application #:
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08905605
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Filing Dt:
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08/04/1997
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Title:
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FLUSH-MOUNT SWIVEL TWEETER SYSTEM FOR VEHICULAR AUDIO
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Patent #:
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10/27/1998
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Application #:
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08934642
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09/22/1997
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Title:
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INDUCTIVE BRAKING IN A DUAL COIL SPEAKER DRIVER UNIT
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Patent #:
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11/23/1999
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08943840
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10/03/1997
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Title:
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Patent #:
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03/14/2000
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Filing Dt:
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11/17/1997
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Title:
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STEREOPHONIC IMAGE ENHANCEMENT SYSTEM FOR USE IN AUTOMOBILES
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Patent #:
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12/05/2000
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08987889
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12/10/1997
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Title:
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SOUND SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR DEFINING A FUNCTIONAL SCOPE OF A SOUND SYSTEM
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Patent #:
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05/08/2001
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09038147
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Filing Dt:
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03/10/1998
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Title:
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METHOD AND DEVICE FOR REAL-TIME SPEECH INPUT OF A DESTINATION ADDRESS INTO A NAVIGATION SYSTEM
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Patent #:
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10/10/2000
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09044650
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Filing Dt:
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03/19/1998
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Title:
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VOICE COIL ASSEMBLY
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Patent #:
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Issue Dt:
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11/16/1999
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Application #:
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09060153
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Filing Dt:
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04/14/1998
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Title:
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AUDIO DIRECT FROM POWER SUPPLY
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Patent #:
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07/27/1999
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09097242
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06/12/1998
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Title:
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INTEGRATED CLAMPING MECHANISM
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09/26/2000
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11/02/1998
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IMPROVEMENTS IN OR RELATING TO AMPLIFIERS
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Patent #:
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03/13/2001
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09107163
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06/29/1998
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Title:
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DUAL MODE GRADIENT COIL SYSTEM
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Patent #:
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Issue Dt:
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12/14/1999
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09110623
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07/06/1998
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Title:
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AUDIO SPEAKER HAVING ROTATABLE TWEETER
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Patent #:
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04/03/2001
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09128654
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08/04/1998
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Title:
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SOUND REPRODUCTION DEVICE
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Patent #:
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02/24/2004
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09146442
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09/03/1998
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5-2-5 MATRIX ENCODER AND DECODER SYSTEM
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02/27/2001
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09/25/1998
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ANALOG TO DIGITAL CONVERSION SYSTEM THAT ENABLES HIGH-LEVEL SIGNAL EXCURSIONS WITHOUT CLIPPING
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04/29/2003
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09188003
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Filing Dt:
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11/06/1998
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Title:
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COMPANDING NOISE REDUCTION SYSTEM WITH SIMULTANEOUS ENCODE AND DECODE
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05/06/2003
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09216154
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12/18/1998
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CONTACT CONNECTIONS
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12/12/2000
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09216155
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12/18/1998
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SUSPENSION MOUNT FOR SOUND REPRODUCTION DEVICES ACCORDING TO THE FLEXURAL WAVE PRINCIPLE
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08/14/2001
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09216344
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12/18/1998
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Title:
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SOUND REPRODUCTION DEVICE
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