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Patent Assignment Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	015469/0426			Pages:	30
		Recorded:	06/24/2004
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 89

Patent #:	4170720	Issue Dt:		Application #:	05883180	Filing Dt:
Title:

Patent #:	4473722	Issue Dt:	09/25/1984	Application #:	06385715	Filing Dt:	06/07/1982
Title:	ELECTROACOUSTIC TRANSDUCERS

Patent #:	4450930	Issue Dt:	05/29/1984	Application #:	06414659	Filing Dt:	09/03/1982
Title:	MICROPHONE WITH STEPPED RESPONSE

Patent #:	4509193	Issue Dt:	04/02/1985	Application #:	06512352	Filing Dt:	07/11/1983
Title:	MINIATURE ACOUSTICAL TRANSDUCER WITH FILTER/REGULATOR POWER SUPPLY CIRCUIT

Patent #:	4803458	Issue Dt:	02/07/1989	Application #:	07090687	Filing Dt:	08/28/1987
Title:	CONTROL SWITCH AND POTENTIOMETER FOR HEARING AIDS AND THE LIKE

Patent #:	4800982	Issue Dt:	01/31/1989	Application #:	07108122	Filing Dt:	10/14/1987
Title:	CLEANABLE IN-THE-EAR ELECTROACOUSTIC TRANSDUCER

Patent #:	4807612	Issue Dt:	02/28/1989	Application #:	07118455	Filing Dt:	11/09/1987
Title:	PASSIVE EAR PROTECTOR

Patent #:	4837833	Issue Dt:	06/06/1989	Application #:	07146483	Filing Dt:	01/21/1988
Title:	MICROPHONE WITH FREQUENCY PRE-EMPHASIS CHANNEL PLATE

Patent #:	4867267	Issue Dt:	09/19/1989	Application #:	07292882	Filing Dt:	01/03/1989
Title:	HEARING AID TRANSDUCER

Patent #:	4958888	Issue Dt:	09/25/1990	Application #:	07389480	Filing Dt:	08/04/1989
Title:	LOW STRESS CONCENTRATION CUTOUT COUNTERTOP

Patent #:	5068901	Issue Dt:	11/26/1991	Application #:	07517569	Filing Dt:	05/01/1990
Title:	DUAL OUTLET PASSAGE HEARING AID TRANSDUCER

Patent #:	5101435	Issue Dt:	03/31/1992	Application #:	07610502	Filing Dt:	11/08/1990
Title:	COMBINED MICROPHONE AND MAGNETIC INDUCTION PICKUP SYSTEM

Patent #:	5259035	Issue Dt:	11/02/1993	Application #:	07739486	Filing Dt:	08/02/1991
Title:	AUTOMATIC MICROPHONE MIXER

Patent #:	5193116	Issue Dt:	03/09/1993	Application #:	07759480	Filing Dt:	09/13/1991
Title:	HEARING AID OUTPUT TRANSDUCER WITH SELF CONTAINED AMPLIFIER

Patent #:	5335286	Issue Dt:	08/02/1994	Application #:	07836606	Filing Dt:	02/18/1992
Title:	ELECTRET ASSEMBLY

Patent #:	5222050	Issue Dt:	06/22/1993	Application #:	07900662	Filing Dt:	06/19/1992
Title:	WATER-RESISTANT TRANSDUCER HOUSING WITH HYDROPHOBIC VENT

Patent #:	5297075	Issue Dt:	03/22/1994	Application #:	07919742	Filing Dt:	07/27/1992
Title:	COMPUTER CONTROLLED TRANSVERSAL EQUALIZER

Patent #:	5408534	Issue Dt:	04/18/1995	Application #:	07930006	Filing Dt:	08/13/1992
Title:	ELECTRET MICROPHONE ASSEMBLY, AND METHOD OF MANUFACTURER

Patent #:	5319717	Issue Dt:	06/07/1994	Application #:	07959710	Filing Dt:	10/13/1992
Title:	HEARING AID MICROPHONE WITH MODIFIED HIGH-FREQUENCY RESPONSE

Patent #:	5337011	Issue Dt:	08/09/1994	Application #:	07989714	Filing Dt:	12/14/1992
Title:	PRE-AMPLIFIER

Patent #:	5353244	Issue Dt:	10/04/1994	Application #:	08120614	Filing Dt:	09/13/1993
Title:	COMPUTER CONTROLLED TRANSVERSAL EQUALIZER

Patent #:	5559892	Issue Dt:	09/24/1996	Application #:	08218603	Filing Dt:	03/28/1994
Title:	IMPEDENCE BUFFERING MOS CIRCUIT WITH DYNAMICALLY REDUCED THRESHOLD VOLTAGE, AS FOR USE IN AN OUTPUT BUFFER OF A HEARING AID AMPLIFIER

Patent #:	5490220	Issue Dt:	02/06/1996	Application #:	08238965	Filing Dt:	05/05/1994
Title:	SOLID STATE CONDENSER AND MICROPHONE DEVICES

Patent #:	5446413	Issue Dt:	08/29/1995	Application #:	08247136	Filing Dt:	05/20/1994
Title:	IMPEDANCE CIRCUIT FOR A MINIATURE HEARING AID

Patent #:	5548658	Issue Dt:	08/20/1996	Application #:	08254583	Filing Dt:	06/06/1994
Title:	ACOUSTIC TRANSDUCER

Patent #:	5579398	Issue Dt:	11/26/1996	Application #:	08256971	Filing Dt:	08/01/1994
Title:	ELECTRO-ACOUSTIC TRANSDUCER

Patent #:	5610989	Issue Dt:	03/11/1997	Application #:	08360179	Filing Dt:	12/20/1994
Title:	COIL ASSEMBLIES

Patent #:	5647013	Issue Dt:	07/08/1997	Application #:	08416887	Filing Dt:	06/02/1995
Title:	ELECTROACOSTIC TRANSDUCER

Patent #:	5692060	Issue Dt:	11/25/1997	Application #:	08431763	Filing Dt:	05/01/1995
Title:	UNIDIRECTIONAL MICROPHONE

Patent #:	5861779	Issue Dt:	01/19/1999	Application #:	08742287	Filing Dt:	11/04/1996
Title:	IMPEDANCE CIRCUIT FOR A MINIATURE HEARING AID

Patent #:	5740261	Issue Dt:	04/14/1998	Application #:	08752584	Filing Dt:	11/21/1996
Title:	MINIATURE SILICON CONDENSER MICROPHONE

Patent #:	5708721	Issue Dt:	01/13/1998	Application #:	08756277	Filing Dt:	11/25/1996
Title:	COIL ASSEMBLIES

Patent #:	5870482	Issue Dt:	02/09/1999	Application #:	08805983	Filing Dt:	02/25/1997
Title:	MINIATURE SILICON CONDENSER MICROPHONE

Patent #:	6041131	Issue Dt:	03/21/2000	Application #:	08890075	Filing Dt:	07/09/1997
Title:	SHOCK RESISTANT ELECTROACOUSTIC TRANSDUCER

Patent #:	6654477	Issue Dt:	11/25/2003	Application #:	08943669	Filing Dt:	10/15/1997
Title:	RECEIVER AND METHOD OF CONSTRUCTION

Patent #:	5960093	Issue Dt:	09/28/1999	Application #:	09050508	Filing Dt:	03/30/1998
Title:	MINIATURE TRANSDUCER

Patent #:	6130953	Issue Dt:	10/10/2000	Application #:	09094276	Filing Dt:	06/09/1998
Title:	HEADSET

Patent #:	6654468	Issue Dt:	11/25/2003	Application #:	09193012	Filing Dt:	11/16/1998
Title:	APPARATUS AND METHOD FOR MATCHING THE RESPONSE OF MICROPHONES IN MAGNITUDE AND PHASE

Patent #:	5990425	Issue Dt:	11/23/1999	Application #:	09238247	Filing Dt:	01/27/1999
Title:	PROGRAMMABLE ELECTRICAL SWITCH

Patent #:	6307944	Issue Dt:	10/23/2001	Application #:	09258628	Filing Dt:	02/26/1999
Title:	SYSTEM FOR MITIGATING RF INTERFERENCE IN A HEARING AID

Patent #:	6028502	Issue Dt:	02/22/2000	Application #:	09324438	Filing Dt:	06/02/1999
Title:	POTENTIOMETER DETENT

Patent #:	6985598	Issue Dt:	01/10/2006	Application #:	09364625	Filing Dt:	07/29/1999
Title:	PROGRAMMING SYSTEM FOR PROGRAMMING HEARING AIDS

Patent #:	6532293	Issue Dt:	03/11/2003	Application #:	09500202	Filing Dt:	02/08/2000
Title:	ACOUSTICAL TRANSDUCER WITH REDUCED PARASITIC CAPACITANCE

Patent #:	6377678	Issue Dt:	04/23/2002	Application #:	09538580	Filing Dt:	03/29/2000
Title:	TELEPHONE HANDSET EMULATOR

Patent #:	6552469	Issue Dt:	04/22/2003	Application #:	09786037	Filing Dt:	05/08/2001
Title:	SOLID STATE TRANSDUCER FOR CONVERTING BETWEEN AN ELECTRICAL SIGNAL AND SOUND

Patent #:	6704427	Issue Dt:	03/09/2004	Application #:	09792327	Filing Dt:	02/23/2001
Publication #:	US20010033671	Pub Dt:	10/25/2001
Title:	ACOUSTIC TRANSDUCER WITH IMPROVED ACOUSTIC DAMPER

Patent #:	NONE	Issue Dt:		Application #:	09797388	Filing Dt:	03/01/2001
Publication #:	US20020123669	Pub Dt:	09/05/2002
Title:	Capacitive pressure sensor

Patent #:	NONE	Issue Dt:		Application #:	09808793	Filing Dt:	03/15/2001
Publication #:	US20010036287	Pub Dt:	11/01/2001
Title:	Combination acoustical and electrical switch for a directional microphone

Patent #:	6630639	Issue Dt:	10/07/2003	Application #:	09809128	Filing Dt:	03/15/2001
Publication #:	US20030057068	Pub Dt:	03/27/2003
Title:	PORT SWITCH AS FOR A HEARING AID DEVICE

Patent #:	NONE	Issue Dt:		Application #:	09850776	Filing Dt:	05/08/2001
Publication #:	US20020003890	Pub Dt:	01/10/2002
Title:	Armature for a receiver

Patent #:	6654473	Issue Dt:	11/25/2003	Application #:	09851907	Filing Dt:	05/09/2001
Publication #:	US20020168076	Pub Dt:	11/14/2002
Title:	CONDENSER MICROPHONE

Patent #:	7166910	Issue Dt:	01/23/2007	Application #:	09886854	Filing Dt:	06/21/2001
Publication #:	US20020102004	Pub Dt:	08/01/2002
Title:	MINIATURE SILICON CONDENSER MICROPHONE

Patent #:	NONE	Issue Dt:		Application #:	09893302	Filing Dt:	06/27/2001
Publication #:	US20020031234	Pub Dt:	03/14/2002
Title:	Microphone system for in-car audio pickup

Patent #:	6987859	Issue Dt:	01/17/2006	Application #:	09910110	Filing Dt:	07/20/2001
Publication #:	US20030016839	Pub Dt:	01/23/2003
Title:	RAISED MICROSTRUCTURE OF SILICON BASED DEVICE

Patent #:	6684484	Issue Dt:	02/03/2004	Application #:	09928672	Filing Dt:	08/13/2001
Publication #:	US20020021816	Pub Dt:	02/21/2002
Title:	METHOD FOR MANUFACTURING ACOUSTICAL TRANSDUCER WITH REDUCED PARASITIC CAPACITANCE

Patent #:	7050602	Issue Dt:	05/23/2006	Application #:	09928673	Filing Dt:	08/13/2001
Publication #:	US20020021817	Pub Dt:	02/21/2002
Title:	LOW CAPACITANCE RECEIVER COIL

Patent #:	6535460	Issue Dt:	03/18/2003	Application #:	09935754	Filing Dt:	08/23/2001
Publication #:	US20020067663	Pub Dt:	06/06/2002
Title:	MINIATURE BROADBAND ACOUSTIC TRANSDUCER

Patent #:	7065220	Issue Dt:	06/20/2006	Application #:	09966873	Filing Dt:	09/28/2001
Publication #:	US20030142836	Pub Dt:	07/31/2003
Title:	MICROPHONE ARRAY HAVING A SECOND ORDER DIRECTIONAL PATTERN

Patent #:	6801632	Issue Dt:	10/05/2004	Application #:	09974730	Filing Dt:	10/10/2001
Publication #:	US20030068060	Pub Dt:	04/10/2003
Title:	MICROPHONE ASSEMBLY FOR VEHICULAR INSTALLATION

Patent #:	NONE	Issue Dt:		Application #:	10041367	Filing Dt:	01/08/2002
Publication #:	US20030128856	Pub Dt:	07/10/2003
Title:	Digitally programmable gain amplifier

Patent #:	7236609	Issue Dt:	06/26/2007	Application #:	10089861	Filing Dt:	08/08/2002
Title:	ELECTRO-ACOUSTIC TRANSDUCER WITH RESISTANCE TO SHOCK-WAVES

Patent #:	7103196	Issue Dt:	09/05/2006	Application #:	10095819	Filing Dt:	03/12/2002
Publication #:	US20020136425	Pub Dt:	09/26/2002
Title:	METHOD FOR REDUCING DISTORTION IN A RECEIVER

Patent #:	NONE	Issue Dt:		Application #:	10138929	Filing Dt:	05/03/2002
Publication #:	US20030207703	Pub Dt:	11/06/2003
Title:	Multi-purpose wireless communication device

Patent #:	6781231	Issue Dt:	08/24/2004	Application #:	10238256	Filing Dt:	09/10/2002
Publication #:	US20040046245	Pub Dt:	03/11/2004
Title:	MICROELECTROMECHANICAL SYSTEM PACKAGE WITH ENVIRONMENTAL AND INTERFERENCE SHIELD

Patent #:	6667189	Issue Dt:	12/23/2003	Application #:	10243906	Filing Dt:	09/13/2002
Title:	HIGH PERFORMANCE SILICON CONDENSER MICROPHONE WITH PERFORATED SINGLE CRYSTAL SILICON BACKPLATE

Patent #:	6861604	Issue Dt:	03/01/2005	Application #:	10377383	Filing Dt:	02/28/2003
Publication #:	US20040168899	Pub Dt:	09/02/2004
Title:	PUSH BUTTON SWITCH

Patent #:	7184563	Issue Dt:	02/27/2007	Application #:	10379007	Filing Dt:	03/04/2003
Publication #:	US20050276429	Pub Dt:	12/15/2005
Title:	ELECTRET CONDENSER MICROPHONE

Patent #:	7221766	Issue Dt:	05/22/2007	Application #:	10411556	Filing Dt:	04/10/2003
Publication #:	US20030194100	Pub Dt:	10/16/2003
Title:	MICROPHONE INPUT BUFFER BIASING CIRCUIT

Patent #:	7688987	Issue Dt:	03/30/2010	Application #:	10411730	Filing Dt:	04/11/2003
Publication #:	US20030202669	Pub Dt:	10/30/2003
Title:	ELECTRET MICROPHONE BUFFER CIRCUIT WITH SIGNIFICANTLY ENHANCED POWER SUPPLY REJECTION

Patent #:	7136497	Issue Dt:	11/14/2006	Application #:	10417577	Filing Dt:	04/17/2003
Publication #:	US20040028252	Pub Dt:	02/12/2004
Title:	ACOUSTICAL SWITCH FOR A DIRECTIONAL MICROPHONE

Patent #:	7471798	Issue Dt:	12/30/2008	Application #:	10424552	Filing Dt:	04/28/2003
Publication #:	US20040022397	Pub Dt:	02/05/2004
Title:	MICROPHONE ARRAY HAVING A SECOND ORDER DIRECTIONAL PATTERN

Patent #:	7113604	Issue Dt:	09/26/2006	Application #:	10425143	Filing Dt:	04/29/2003
Publication #:	US20030198356	Pub Dt:	10/23/2003
Title:	APPARATUS AND METHOD FOR MATCHING THE RESPONSE OF MICROPHONES IN MAGNITUDE AND PHASE

Patent #:	NONE	Issue Dt:		Application #:	10462310	Filing Dt:	06/13/2003
Publication #:	US20040253760	Pub Dt:	12/16/2004
Title:	Method to fabricate a highly perforated silicon diaphragm with controlable thickness and low stress

Patent #:	7136500	Issue Dt:	11/14/2006	Application #:	10634552	Filing Dt:	08/05/2003
Publication #:	US20050031150	Pub Dt:	02/10/2005
Title:	ELECTRET CONDENSER MICROPHONE

Patent #:	7302748	Issue Dt:	12/04/2007	Application #:	10719765	Filing Dt:	11/21/2003
Publication #:	US20040168852	Pub Dt:	09/02/2004
Title:	LINKAGE ASSEMBLY FOR AN ACOUSTIC TRANSDUCER

Patent #:	7203334	Issue Dt:	04/10/2007	Application #:	10719809	Filing Dt:	11/21/2003
Publication #:	US20040167377	Pub Dt:	08/26/2004
Title:	APPARATUS FOR CREATING ACOUSTIC ENERGY IN A BALANCED RECEIVER ASSEMBLY AND MANUFACTURING METHOD THEREOF

Patent #:	7132307	Issue Dt:	11/07/2006	Application #:	10736377	Filing Dt:	12/15/2003
Publication #:	US20040179705	Pub Dt:	09/16/2004
Title:	HIGH PERFORMANCE SILICON CONDENSER MICROPHONE WITH PERFORATED SINGLE CRYSTAL SILICON BACKPLATE

Patent #:	D360948	Issue Dt:	08/01/1995	Application #:	29012486	Filing Dt:	09/01/1993
Title:	HEARING AID RECEIVER

Patent #:	D360691	Issue Dt:	07/25/1995	Application #:	29012487	Filing Dt:	09/01/1993
Title:	HEARING AID RECEIVER

Patent #:	D360949	Issue Dt:	08/01/1995	Application #:	29012488	Filing Dt:	09/01/1993
Title:	HEARING AID RECEIVER

Patent #:	D414493	Issue Dt:	09/28/1999	Application #:	29083343	Filing Dt:	02/06/1998
Title:	MICROPHONE HOUSING

Patent #:	D451089	Issue Dt:	11/27/2001	Application #:	29132532	Filing Dt:	11/10/2000
Title:	Sliding Boom Headset

Patent #:	3855555	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3681531	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3740496	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4151480	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3835263	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4006321	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3936398	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

KNOWLES ELECTRONICS LLC

Exec Dt:

04/08/2004

Assignee

JPMORGAN CHASE BANK AS ADMINISTRATIVE AGENT

270 PARK AVENUE

NEW YORK, NEW YORK 10017

Correspondence name and address
	FEDERAL RESEAERCH CORPORATION
	PENELOPE JA. AGODOA
	130 FIFTEENTH STREET NW, SUITE 920
	WASHINGTON, DC 200005

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