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Total properties:
27
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Patent #:
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|
Issue Dt:
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03/09/1993
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Application #:
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07759480
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Filing Dt:
|
09/13/1991
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Title:
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HEARING AID OUTPUT TRANSDUCER WITH SELF CONTAINED AMPLIFIER
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Patent #:
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|
Issue Dt:
|
08/02/1994
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Application #:
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07836606
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Filing Dt:
|
02/18/1992
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Title:
|
ELECTRET ASSEMBLY
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|
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Patent #:
|
|
Issue Dt:
|
10/05/1993
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Application #:
|
07875425
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Filing Dt:
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04/29/1992
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Title:
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POTENTIOMETER WITH IMPROVED SEAL
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Patent #:
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Issue Dt:
|
06/22/1993
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Application #:
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07900662
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Filing Dt:
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06/19/1992
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Title:
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WATER-RESISTANT TRANSDUCER HOUSING WITH HYDROPHOBIC VENT
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Patent #:
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Issue Dt:
|
04/18/1995
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Application #:
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07930006
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Filing Dt:
|
08/13/1992
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Title:
|
ELECTRET MICROPHONE ASSEMBLY, AND METHOD OF MANUFACTURER
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|
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Patent #:
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Issue Dt:
|
06/07/1994
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Application #:
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07959710
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Filing Dt:
|
10/13/1992
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Title:
|
HEARING AID MICROPHONE WITH MODIFIED HIGH-FREQUENCY RESPONSE
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|
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Patent #:
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Issue Dt:
|
08/09/1994
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Application #:
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07989714
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Filing Dt:
|
12/14/1992
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Title:
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PRE-AMPLIFIER
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|
|
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Patent #:
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|
Issue Dt:
|
09/24/1996
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Application #:
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08218603
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Filing Dt:
|
03/28/1994
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Title:
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IMPEDENCE BUFFERING MOS CIRCUIT WITH DYNAMICALLY REDUCED THRESHOLD VOLTAGE, AS FOR USE IN AN OUTPUT BUFFER OF A HEARING AID AMPLIFIER
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Patent #:
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Issue Dt:
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02/06/1996
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Application #:
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08238965
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Filing Dt:
|
05/05/1994
|
|
Title:
|
SOLID STATE CONDENSER AND MICROPHONE DEVICES
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|
|
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Patent #:
|
|
Issue Dt:
|
08/29/1995
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Application #:
|
08247136
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Filing Dt:
|
05/20/1994
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|
Title:
|
IMPEDANCE CIRCUIT FOR A MINIATURE HEARING AID
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|
|
|
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Patent #:
|
|
Issue Dt:
|
08/20/1996
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Application #:
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08254583
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Filing Dt:
|
06/06/1994
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Title:
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ACOUSTIC TRANSDUCER
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|
|
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Patent #:
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|
Issue Dt:
|
01/07/1997
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Application #:
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08312773
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Filing Dt:
|
09/27/1994
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Title:
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DUAL COIL ACTUATOR WITH TIMING CIRCUIT
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|
|
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Patent #:
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|
Issue Dt:
|
11/25/1997
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Application #:
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08431763
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Filing Dt:
|
05/01/1995
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|
Title:
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UNIDIRECTIONAL MICROPHONE
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|
|
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Patent #:
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|
Issue Dt:
|
12/24/1996
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Application #:
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08586212
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Filing Dt:
|
01/16/1996
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|
Title:
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HEARING AID BATTERY COVER SWITCH
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|
|
|
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Patent #:
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|
Issue Dt:
|
01/19/1999
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Application #:
|
08742287
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Filing Dt:
|
11/04/1996
|
|
Title:
|
IMPEDANCE CIRCUIT FOR A MINIATURE HEARING AID
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/14/1998
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Application #:
|
08752584
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Filing Dt:
|
11/21/1996
|
|
Title:
|
MINIATURE SILICON CONDENSER MICROPHONE
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|
|
|
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Patent #:
|
|
Issue Dt:
|
02/09/1999
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Application #:
|
08805983
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Filing Dt:
|
02/25/1997
|
|
Title:
|
MINIATURE SILICON CONDENSER MICROPHONE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/21/2000
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Application #:
|
08890075
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Filing Dt:
|
07/09/1997
|
|
Title:
|
SHOCK RESISTANT ELECTROACOUSTIC TRANSDUCER
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/25/2003
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Application #:
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08943669
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Filing Dt:
|
10/15/1997
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|
Title:
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RECEIVER AND METHOD OF CONSTRUCTION
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|
|
|
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Patent #:
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|
Issue Dt:
|
09/28/1999
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Application #:
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09050508
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Filing Dt:
|
03/30/1998
|
|
Title:
|
MINIATURE TRANSDUCER
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/25/2003
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Application #:
|
09193012
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Filing Dt:
|
11/16/1998
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|
Title:
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APPARATUS AND METHOD FOR MATCHING THE RESPONSE OF MICROPHONES IN MAGNITUDE AND PHASE
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|
|
|
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Patent #:
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|
Issue Dt:
|
10/23/2001
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Application #:
|
09258628
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Filing Dt:
|
02/26/1999
|
|
Title:
|
SYSTEM FOR MITIGATING RF INTERFERENCE IN A HEARING AID
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/18/2000
|
Application #:
|
09305496
|
Filing Dt:
|
05/05/1999
|
|
Title:
|
SOLENOID ACTUATOR WITH POSITIONAL FEEDBACK
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/22/2000
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Application #:
|
09324438
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Filing Dt:
|
06/02/1999
|
|
Title:
|
POTENTIOMETER DETENT
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/10/2006
|
Application #:
|
09364625
|
Filing Dt:
|
07/29/1999
|
|
Title:
|
PROGRAMMING SYSTEM FOR PROGRAMMING HEARING AIDS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/18/1997
|
Application #:
|
29047403
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Filing Dt:
|
12/04/1995
|
|
Title:
|
SOLENOID ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/28/1999
|
Application #:
|
29083343
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Filing Dt:
|
02/06/1998
|
|
Title:
|
MICROPHONE HOUSING
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|
