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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:	010618/0549			Pages:	10
		Recorded:	02/22/2000
Conveyance:	RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).

Total properties: 38

Patent #:	4689875	Issue Dt:	09/01/1987	Application #:	06828876	Filing Dt:	02/13/1986
Title:	INTEGRATED CIRCUIT PACKAGING PROCESS

Patent #:	4713611	Issue Dt:	12/15/1987	Application #:	06877536	Filing Dt:	06/23/1986
Title:	BURN-IN APPARATUS FOR INTEGRATED CIRCUITS MOUNTED ON A CARRIER TAPE

Patent #:	4728902	Issue Dt:	03/01/1988	Application #:	06904938	Filing Dt:	09/08/1986
Title:	STABILIZED CASCODE AMPLIFIER

Patent #:	4782320	Issue Dt:	11/01/1988	Application #:	06926391	Filing Dt:	11/03/1986
Title:	MESH NETWORK FOR LASER-TRIMMED INTEGRATED CIRCUIT RESISTORS

Patent #:	4774492	Issue Dt:	09/27/1988	Application #:	06937565	Filing Dt:	12/03/1986
Title:	SLOTTED INTEGRATED CIRCUIT RESISTOR

Patent #:	4704586	Issue Dt:	11/03/1987	Application #:	07022382	Filing Dt:	03/06/1987
Title:	BIPOLAR BANDWIDTH SWITCH FOR USE IN A PHASE-LOCKED LOOP

Patent #:	4771228	Issue Dt:	09/13/1988	Application #:	07058770	Filing Dt:	06/05/1987
Title:	OUTPUT STAGE CURRENT LIMIT CIRCUIT

Patent #:	4779047	Issue Dt:	10/18/1988	Application #:	07084848	Filing Dt:	08/13/1987
Title:	BURN-IN APPARATUS FOR INTEGRATED CIRCUITS MOUNTED ON A CARRIER TAPE

Patent #:	4847519	Issue Dt:	07/11/1989	Application #:	07108543	Filing Dt:	10/14/1987
Title:	INTEGRATED, HIGH SPEED, ZERO HOLD CURRENT AND DELAY COMPENSATED CHARGE PUMP

Patent #:	4868425	Issue Dt:	09/19/1989	Application #:	07129720	Filing Dt:	12/07/1987
Title:	SKEW COMPENSATED RS422 BUFFER

Patent #:	4843342	Issue Dt:	06/27/1989	Application #:	07130526	Filing Dt:	12/09/1987
Title:	DIFFERENTIAL AMPLIFIER WITH INPUT BIAS CURRENT CANCELLATION

Patent #:	4827222	Issue Dt:	05/02/1989	Application #:	07131804	Filing Dt:	12/11/1987
Title:	INPUT OFFSET VOLTAGE TRIMMING NETWORK AND METHOD

Patent #:	4851838	Issue Dt:	07/25/1989	Application #:	07134758	Filing Dt:	12/18/1987
Title:	SINGLE CHIP SUCCESSIVE APPROXIMATION ANALOG-TO-DIGITAL CONVERTER WITH TRIMMABLE AND CONTROLLABLE DIGITAL-TO-ANALOG CONVERTER

Patent #:	4818726	Issue Dt:	04/04/1989	Application #:	07175164	Filing Dt:	03/30/1988
Title:	PROCESS FOR CURING EPOXY ENCAPSULANT ON INTEGRATED CIRCUIT DICE

Patent #:	4923824	Issue Dt:	05/08/1990	Application #:	07186555	Filing Dt:	04/27/1988
Title:	SIMPLIFIED METHOD OF FABRICATING LIGHTLY DOPED DRAIN INSULATED GATE FIELD EFFECT TRANSISTORS

Patent #:	4893036	Issue Dt:	01/09/1990	Application #:	07232285	Filing Dt:	08/15/1988
Title:	DIFFERENTIAL SIGNAL DELAY CIRCUIT

Patent #:	4964117	Issue Dt:	10/16/1990	Application #:	07253059	Filing Dt:	10/04/1988
Title:	TIMING SYNCHRONIZING CIRCUIT FOR BASEBAND DATA SIGNALS

Patent #:	4870476	Issue Dt:	09/26/1989	Application #:	07262089	Filing Dt:	10/24/1988
Title:	INTEGRATED CIRUCIT PACKAGING PROCESS AND STRUCTURE

Patent #:	4959618	Issue Dt:	09/25/1990	Application #:	07311216	Filing Dt:	02/16/1989
Title:	DIFFERENTIAL CHARGE PUMP FOR A PHASE LOCKED LOOP

Patent #:	4959697	Issue Dt:	09/25/1990	Application #:	07481803	Filing Dt:	02/20/1990
Title:	SHORT CHANNEL JUNCTION FIELD EFFECT TRANSISTOR

Patent #:	5132852	Issue Dt:	07/21/1992	Application #:	07545993	Filing Dt:	06/28/1990
Title:	READ/WRITE PREAMPLIFIER WITH HEAD ISOLATION

Patent #:	5087884	Issue Dt:	02/11/1992	Application #:	07546009	Filing Dt:	06/28/1990
Title:	OPEN HEAD DETECTION CIRCUIT AND METHOD

Patent #:	5227737	Issue Dt:	07/13/1993	Application #:	07622711	Filing Dt:	12/05/1990
Title:	METHOD AND APPARATUS FOR ADJUSTING THE POLE POSITIONS OF A DIFFERENTIATING AMPLIFIER

Patent #:	5157559	Issue Dt:	10/20/1992	Application #:	07742055	Filing Dt:	08/06/1991
Title:	ADJUSTABLE BANDWIDTH DIFFERENTIATING AMPLIFIER FOR A MAGNETIC DISK DRIVE

Patent #:	5206605	Issue Dt:	04/27/1993	Application #:	07850672	Filing Dt:	03/13/1992
Title:	HIGH BREAKDOWN VOLTAGE/LOW INPUT CAPACITANCE AMPLIFIER

Patent #:	5260842	Issue Dt:	11/09/1993	Application #:	07869435	Filing Dt:	04/16/1992
Title:	DATA SEPARATOR HAVING AN ACCURATE DELAY CIRCUIT

Patent #:	5258877	Issue Dt:	11/02/1993	Application #:	07869447	Filing Dt:	04/16/1992
Title:	DATA SEPARATOR HAVING A RESTART CIRCUIT

Patent #:	5257146	Issue Dt:	10/26/1993	Application #:	07879554	Filing Dt:	05/04/1992
Title:	MAGNETIC HEAD SWING CLAMP AND CROSS-TALK ELIMINATOR FOR READ/WRITE PREAMPLIFIER

Patent #:	5287231	Issue Dt:	02/15/1994	Application #:	07957612	Filing Dt:	10/06/1992
Title:	WRITE CIRCUIT HAVING CURRENT MIRRORS BETWEEN PREDRIVER AND WRITE DRIVER CIRCUITS FOR MAXIMUM HEAD VOLTAGE SWING

Patent #:	5349253	Issue Dt:	09/20/1994	Application #:	07992544	Filing Dt:	12/17/1992
Title:	LOGIC TRANSLATOR INTERFACING BETWEEN FIVE-VOLT TTL/CMOS AND THREE-VOLT CML

Patent #:	5311146	Issue Dt:	05/10/1994	Application #:	08009287	Filing Dt:	01/26/1993
Title:	CURRENT MIRROR FOR LOW SUPPLY VOLTAGE OPERATION

Patent #:	5278700	Issue Dt:	01/11/1994	Application #:	08015766	Filing Dt:	01/19/1993
Title:	DIFFERENTIATING AMPLIFIER RESPONSIVE TO TRACK LOCATIONS AND VARIATIONS OF ELEMENT VALUES FROM DESIRED VALUES

Patent #:	5398144	Issue Dt:	03/14/1995	Application #:	08022558	Filing Dt:	02/25/1993
Title:	BIAS GENERATOR FOR A LOW VOLTAGE DIFFERENTIAL READ AMPLIFIER

Patent #:	5345346	Issue Dt:	09/06/1994	Application #:	08039859	Filing Dt:	03/30/1993
Title:	POSITIVE FEEDBACK LOW INPUT CAPACITANCE DIFFERENITIAL AMPLIFIER

Patent #:	5282094	Issue Dt:	01/25/1994	Application #:	08067671	Filing Dt:	05/26/1993
Title:	CURRENT MIRROR HAVING A BASE CURRENT COMPENSATION CIRCUIT WITH A COMPENSATION MIRROR AND A VOLTAGE CLAMP

Patent #:	5291347	Issue Dt:	03/01/1994	Application #:	08067673	Filing Dt:	05/26/1993
Title:	WRITE DRIVER WITH H-SWITCH SYNCHRONIZING TRANSISTORS

Patent #:	5373402	Issue Dt:	12/13/1994	Application #:	08110366	Filing Dt:	08/23/1993
Title:	SYSTEM AND METHOD FOR WRITING SERVO INFORMATION AND DATA TO A PLURALITY OF MAGNETIC DISCS

Patent #:	5534818	Issue Dt:	07/09/1996	Application #:	08417436	Filing Dt:	04/05/1995
Title:	PREAMPLIFIER NOISE FILTERING CIRCUIT

Assignor

BANK OF AMERICA ILLINOIS

Exec Dt:

10/15/1997

Assignee

VTC INC.

2800 EAST OLD SHAKOPEE ROAD

BLOOMINGTON, MINNESOTA 55425

Correspondence name and address
	VTC INC.
	KRISTINE M. EKSTRAND
	2800 EAST OLD SHAKOPEE ROAD
	BLOOMINGTON, MN 55425-1350

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