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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:	008955/0820			Pages:	10
		Recorded:	02/09/1998
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Total properties: 35

Patent #:	4122508	Issue Dt:	10/24/1978	Application #:	05831066	Filing Dt:	09/06/1977
Title:	MODULAR PRINTED CIRCUIT BOARD ASSEMBLY HAVING COOLING MEANS INCORPORATED THEREIN

Patent #:	4176731	Issue Dt:		Application #:	05853204	Filing Dt:
Title:

Patent #:	4130023	Issue Dt:		Application #:	05864738	Filing Dt:
Title:

Patent #:	4151378	Issue Dt:		Application #:	05903809	Filing Dt:
Title:

Patent #:	4180710	Issue Dt:		Application #:	05936484	Filing Dt:
Title:

Patent #:	4180780	Issue Dt:	12/25/1979	Application #:	05947629	Filing Dt:	10/02/1978
Title:	INPUT DECOUPLING CIRCUIT FOR TRANSISTOR DIFFERENTIAL AMPLIFIER

Patent #:	4233566	Issue Dt:	11/11/1980	Application #:	05953754	Filing Dt:	10/23/1978
Title:	DISTORTION FREE POWER LIMITING AND CLIPPING PREVENTION CIRCUIT

Patent #:	4258235	Issue Dt:	03/24/1981	Application #:	05957060	Filing Dt:	11/03/1978
Title:	PRESSURE GRADIENT ELECTRET MICROPHONE

Patent #:	4194096	Issue Dt:		Application #:	05957067	Filing Dt:
Title:

Patent #:	4187926	Issue Dt:	02/12/1980	Application #:	05967739	Filing Dt:	12/08/1978
Title:	LOUDSPEAKER HORN

Patent #:	4296278	Issue Dt:	10/20/1981	Application #:	06001307	Filing Dt:	01/05/1979
Title:	LOUDSPEAKER OVERLOAD PROTECTION CIRCUIT

Patent #:	4344184	Issue Dt:	08/10/1982	Application #:	06174153	Filing Dt:	07/31/1980
Title:	WIRELESS MICROPHONE

Patent #:	4325456	Issue Dt:	04/20/1982	Application #:	06196074	Filing Dt:	10/10/1980
Title:	ACOUSTICAL TRANSFORMER FOR COMPRESSION-TYPE LOUDSPEAKER WITH AN ANNULAR DIAPHRAGM

Patent #:	4401859	Issue Dt:	08/30/1983	Application #:	06268376	Filing Dt:	05/29/1981
Title:	DIRECTIONAL MICROPHONE WITH HIGH FREQUENCY SELECTIVE ACOUSTIC LENS

Patent #:	4410770	Issue Dt:	10/18/1983	Application #:	06271621	Filing Dt:	06/08/1981
Title:	DIRECTIONAL MICROPHONE

Patent #:	D276518	Issue Dt:	11/27/1984	Application #:	06321567	Filing Dt:	11/16/1981
Title:	PORTABLE LOUDSPEAKER SYSTEM

Patent #:	D277852	Issue Dt:	03/05/1985	Application #:	06400946	Filing Dt:	07/22/1982
Title:	MICROPHONE

Patent #:	4431950	Issue Dt:	02/14/1984	Application #:	06402772	Filing Dt:	07/28/1982
Title:	CAPSTAN DRIVE SYSTEM FOR HIGH SPEED TAPE DUPLICATOR

Patent #:	D282063	Issue Dt:	01/07/1986	Application #:	06522785	Filing Dt:	08/12/1983
Title:	MICROPHONE

Patent #:	4567608	Issue Dt:	01/28/1986	Application #:	06592411	Filing Dt:	03/23/1984
Title:	MICROPHONE FOR USE ON LOCATION

Patent #:	4547632	Issue Dt:	10/15/1985	Application #:	06597238	Filing Dt:	04/04/1984
Title:	DYNAMIC LOUDSPEAKER

Patent #:	4593405	Issue Dt:	06/03/1986	Application #:	06613566	Filing Dt:	05/24/1984
Title:	LOUDSPEAKER SYSTEM WITH COMBINATION CROSSOVER AND EQUALIZER

Patent #:	4624338	Issue Dt:	11/25/1986	Application #:	06697321	Filing Dt:	02/01/1985
Title:	LOUDSPEAKER ENCLOSURE FOR A VIBRATING DIAPHRAGM LOUDSPEAKER

Patent #:	4685137	Issue Dt:	08/04/1987	Application #:	06735400	Filing Dt:	05/17/1985
Title:	MICROPHONE WITH NON-SYMMETRICAL DIRECTIVITY PATTERN

Patent #:	4629029	Issue Dt:	12/16/1986	Application #:	06798794	Filing Dt:	11/15/1985
Title:	MULTIPLE DRIVER MANIFOLD

Patent #:	4685532	Issue Dt:	08/11/1987	Application #:	06832155	Filing Dt:	02/21/1986
Title:	CONSTANT DIRECTIVITY LOUDSPEAKER HORN

Patent #:	4923031	Issue Dt:	05/08/1990	Application #:	06833859	Filing Dt:	02/26/1986
Title:	HIGH OUTPUT LOUDSPEAKER SYSTEM

Patent #:	4718517	Issue Dt:	01/12/1988	Application #:	06834311	Filing Dt:	02/27/1986
Title:	LOUDSPEAKER AND ACOUSTIC TRANSFORMER THEREFOR

Patent #:	4733749	Issue Dt:	03/29/1988	Application #:	06834403	Filing Dt:	02/26/1986
Title:	HIGH OUTPUT LOUDSPEAKER FOR LOW FREQUENCY REPRODUCTION

Patent #:	4646873	Issue Dt:	03/03/1987	Application #:	06836237	Filing Dt:	03/04/1986
Title:	MICROPHONE AND ACOUSTIC EQUALIZER THEREFOR

Patent #:	4858808	Issue Dt:	08/22/1989	Application #:	07054745	Filing Dt:	05/27/1987
Title:	TAPE HANDLING APPARATUS

Patent #:	4866543	Issue Dt:	09/12/1989	Application #:	07095491	Filing Dt:	09/11/1987
Title:	MULTIPLE SLAVE VIDEO TAPE REPRODUCTION SYSTEM

Patent #:	4933975	Issue Dt:	06/12/1990	Application #:	07196438	Filing Dt:	05/19/1988
Title:	DYNAMIC LOUDSPEAKER FOR PRODUCING HIGH AUDIO POWER

Patent #:	4984278	Issue Dt:	01/08/1991	Application #:	07224116	Filing Dt:	07/25/1988
Title:	ADJUSTABLE MOUNT FOR A LOUDSPEAKER

Patent #:	5020630	Issue Dt:	06/04/1991	Application #:	07447608	Filing Dt:	12/08/1989
Title:	LOUDSPEAKER AND HORN THEREFOR

Assignor

EV INTERNATIONAL, INC.

Exec Dt:

02/02/1998

Assignee

TELEX COMMUNICATIONS, INC.

600 CECIL STREET

BUCHANAN, MICHIGAN 49107

Correspondence name and address
	DEBEVOISE & PLIMPTON
	JUDITH CHURCH, ESQ.
	875 THIRD AVENUE
	NEW YORK, NY 10022

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