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Reel/Frame:	010070/0137			Pages:	87
		Recorded:	07/19/1999
Conveyance:	SECURITY AGREEMENT

Total properties: 65

Patent #:	4012588	Issue Dt:		Application #:	05608917	Filing Dt:
Title:

Patent #:	4080515	Issue Dt:		Application #:	05758818	Filing Dt:
Title:

Patent #:	4151596	Issue Dt:	04/24/1979	Application #:	05836366	Filing Dt:	09/26/1977
Title:	CALCULATOR INTERFACE

Patent #:	4185165	Issue Dt:	01/22/1980	Application #:	05921514	Filing Dt:	07/03/1978
Title:	LOW NOISE SYSTEM AND METHOD FOR SEQUENTIALLY SENSING INDUCED SIGNALS IN DIGITIZER GRID CONDUCTORS

Patent #:	4210775	Issue Dt:	07/01/1980	Application #:	05921572	Filing Dt:	07/03/1978
Title:	METHOD AND APPARATUS FOR DIGITIZING THE LOCATION OF AN INSTRUMENT RELATIVE TO A GRID

Patent #:	4206314	Issue Dt:	06/03/1980	Application #:	05933569	Filing Dt:	08/14/1978
Title:	GRAPHIC DIGITIZER

Patent #:	4260852	Issue Dt:	04/07/1981	Application #:	06042093	Filing Dt:	05/24/1979
Title:	UP/DOWN SCANNING DIGITIZING APPARATUS AND METHOD

Patent #:	4357672	Issue Dt:	11/02/1982	Application #:	06173723	Filing Dt:	07/30/1980
Title:	DISTANCE RANGING APPARATUS AND METHOD

Patent #:	4423286	Issue Dt:	12/27/1983	Application #:	06400511	Filing Dt:	07/21/1982
Title:	APPARATUS AND METHOD FOR DETERMINING THE POSITION OF A DRIVEN COIL WITHIN A GRID OF SPACED CONDUCTORS

Patent #:	D288816	Issue Dt:	03/17/1987	Application #:	06619243	Filing Dt:	06/11/1984
Title:	HAND-HOLDABLE DIGITIZER CURSOR

Patent #:	4659874	Issue Dt:	04/21/1987	Application #:	06779350	Filing Dt:	09/23/1985
Title:	X-Y POSITION SENSOR

Patent #:	4736073	Issue Dt:	04/05/1988	Application #:	06828060	Filing Dt:	02/10/1986
Title:	NOISE-CANCELING SYSTEM FOR A DIGITIZING TABLET

Patent #:	4734546	Issue Dt:	03/29/1988	Application #:	07026217	Filing Dt:	03/16/1987
Title:	DIGITIZER SYSTEM WITH LOOPBACK CONDUCTOR GRID

Patent #:	4855538	Issue Dt:	08/08/1989	Application #:	07104579	Filing Dt:	10/02/1987
Title:	MEASURING TABLE FOR CO-ORDINATE MEASURING SYSTEM

Patent #:	4827086	Issue Dt:	05/02/1989	Application #:	07116034	Filing Dt:	11/03/1987
Title:	DIGITIZER CURSOR COIL FOR REDUCING EDGE EFFECT

Patent #:	4833774	Issue Dt:	05/30/1989	Application #:	07131286	Filing Dt:	12/10/1987
Title:	METHOD OF MAKING A CURSOR FOR AN INDUCTIVE SENSOR

Patent #:	4820886	Issue Dt:	04/11/1989	Application #:	07140648	Filing Dt:	01/04/1988
Title:	LOW-COST, HIGH-ACCURACY DIGITIZER SIGNAL ACQUISITION APARATUS AND METHOD

Patent #:	4794208	Issue Dt:	12/27/1988	Application #:	07152993	Filing Dt:	02/08/1988
Title:	FREQUENCY SHIFTING DIGITIZER FOR REDUCING AC FIELDS INTERFERENCE

Patent #:	4835347	Issue Dt:	05/30/1989	Application #:	07155267	Filing Dt:	02/12/1988
Title:	SHIFTING WIRE SEQUENCE DIGITIZER SYSTEM

Patent #:	4806707	Issue Dt:	02/21/1989	Application #:	07155500	Filing Dt:	02/12/1988
Title:	3-DIMENSIONAL DIGITIZER PEN

Patent #:	4831216	Issue Dt:	05/16/1989	Application #:	07156358	Filing Dt:	02/12/1988
Title:	DIGITIZER SYSTEM WITH INTERTWINED LOOPBACK CONDUCTOR GRID

Patent #:	4933671	Issue Dt:	06/12/1990	Application #:	07179945	Filing Dt:	04/11/1988
Title:	CURSOR

Patent #:	4853497	Issue Dt:	08/01/1989	Application #:	07208467	Filing Dt:	06/20/1988
Title:	SHIELDING TECHNIQUE FOR DIGITIZERS

Patent #:	4853499	Issue Dt:	08/01/1989	Application #:	07283509	Filing Dt:	12/12/1988
Title:	GROUND SWITCHING TECHNIQUE FOR SILKSCREENED DIGITIZER GRIDS

Patent #:	4973800	Issue Dt:	11/27/1990	Application #:	07284544	Filing Dt:	12/15/1988
Title:	APPARATUS FOR DIGITIZING POSITIONS ON A TRANSPARENCY

Patent #:	4873399	Issue Dt:	10/10/1989	Application #:	07286700	Filing Dt:	12/20/1988
Title:	INK-ON-GLASS DIGITIZER TABLET AND METHOD OF CONSTRUCTION

Patent #:	4891474	Issue Dt:	01/02/1990	Application #:	07314562	Filing Dt:	02/23/1989
Title:	SPARKING STYLUS FOR ACOUSTIC DIGITIZER

Patent #:	4947460	Issue Dt:	08/07/1990	Application #:	07321434	Filing Dt:	03/09/1989
Title:	CURSOR FOR AN INDUCTIVE SENSOR FOR USE WITH A DIGITIZER BOARD

Patent #:	4918263	Issue Dt:	04/17/1990	Application #:	07383254	Filing Dt:	07/21/1989
Title:	CO-ORDINATE MEASURING SYSTEM

Patent #:	4956824	Issue Dt:	09/11/1990	Application #:	07405944	Filing Dt:	09/12/1989
Title:	POSITION DETERMINATION APPARATUS

Patent #:	4939318	Issue Dt:	07/03/1990	Application #:	07431886	Filing Dt:	11/06/1989
Title:	DIGITIZER PEN TILT CORRECTION EMPLOYING WIRES NEAR THE DATA POINT

Patent #:	5050134	Issue Dt:	09/17/1991	Application #:	07467632	Filing Dt:	01/19/1990
Title:	POSITION DETERMINING APPARATUS

Patent #:	5043950	Issue Dt:	08/27/1991	Application #:	07467662	Filing Dt:	01/19/1990
Title:	APPARATUS AND METHOD FOR DISTANCE DETERMINATION

Patent #:	5009277	Issue Dt:	04/23/1991	Application #:	07495330	Filing Dt:	03/19/1990
Title:	METHOD AND APPARATUS FOR POSITION DETERMINATION

Patent #:	5105393	Issue Dt:	04/14/1992	Application #:	07495337	Filing Dt:	03/19/1990
Title:	SCR CONTROL FOR HIGH CURRENT DISCHARGE CIRCUIT

Patent #:	5054005	Issue Dt:	10/01/1991	Application #:	07495361	Filing Dt:	03/16/1990
Title:	APPARATUS AND METHOD FOR DETERMINING TRAVEL TIME OF ACOUSTIC ENERGY

Patent #:	5045645	Issue Dt:	09/03/1991	Application #:	07527027	Filing Dt:	05/22/1990
Title:	DIGITIZER SYSTEM WITH PASSIVE POINTER

Patent #:	5124509	Issue Dt:	06/23/1992	Application #:	07643576	Filing Dt:	01/15/1991
Title:	DIGITIZER WITH CAPACITIVE AND INDUCTIVE COUPLING

Patent #:	5134253	Issue Dt:	07/28/1992	Application #:	07714675	Filing Dt:	06/13/1991
Title:	DIGITIZER EMPLOYING LOOPBACK CONDUCTOR PATTERN USING ROTATION SEQUENCING

Patent #:	5287105	Issue Dt:	02/15/1994	Application #:	07743801	Filing Dt:	08/12/1991
Title:	AUTOMATIC TRACKING AND SCANNING CURSOR FOR DIGITIZERS

Patent #:	5235142	Issue Dt:	08/10/1993	Application #:	07760563	Filing Dt:	09/16/1991
Title:	PHASE REFERENCE SYSTEM FOR CORDLESS LOOPING DIGITIZER

Patent #:	5160813	Issue Dt:	11/03/1992	Application #:	07767112	Filing Dt:	09/27/1991
Title:	CORDLESS DIGITIZER LOCAL CONDUCTOR PHASE REFERENCE SYSTEM

Patent #:	5227909	Issue Dt:	07/13/1993	Application #:	07767462	Filing Dt:	09/30/1991
Title:	SINGLE COIL DIGITIZER-COUPLED IMAGE SCANNER

Patent #:	D347832	Issue Dt:	06/14/1994	Application #:	07781612	Filing Dt:	10/23/1991
Title:	ROLL-UP DIGITIZER

Patent #:	5381160	Issue Dt:	01/10/1995	Application #:	07784929	Filing Dt:	10/30/1991
Title:	SEE-THROUGH DIGITIZER WITH CLEAR CONDUCTIVE GRID

Patent #:	5247138	Issue Dt:	09/21/1993	Application #:	07789665	Filing Dt:	11/08/1991
Title:	CORDLESS DIGITIZER STYLUS STATUS ENCODING AND TRANSMISSION SCHEME

Patent #:	5198623	Issue Dt:	03/30/1993	Application #:	07799570	Filing Dt:	11/27/1991
Title:	METHOD FOR USE IN A DIGITIZER FOR DETERMINING PEN TILT

Patent #:	5274198	Issue Dt:	12/28/1993	Application #:	07816308	Filing Dt:	12/26/1991
Title:	PRINTED CONDUCTIVE INK ELECTROSTATIC SHIELD FOR ELECTROMAGNETIC DIGITIZERS

Patent #:	5270692	Issue Dt:	12/14/1993	Application #:	07869839	Filing Dt:	04/16/1992
Title:	DIGITIZER CURSOR/MOUSE WITH UNITARY SWITCH ACTUATORS

Patent #:	5345044	Issue Dt:	09/06/1994	Application #:	07875841	Filing Dt:	04/29/1991
Title:	CORDLESS DIGITIZER USING ELECTROMAGNETIC LOCATING SIGNALS

Patent #:	5357061	Issue Dt:	10/18/1994	Application #:	07877831	Filing Dt:	04/30/1992
Title:	DIGITIZER TABLET HAVING HIGH PERMEABILITY GRID SHIELD

Patent #:	5326940	Issue Dt:	07/05/1994	Application #:	07903605	Filing Dt:	06/23/1992
Title:	DYNAMICALLY-ADJUSTABLE SCANNING RATE IN DIGITIZERS

Patent #:	5379269	Issue Dt:	01/03/1995	Application #:	08003786	Filing Dt:	01/13/1993
Title:	POSITION DETERMINING APPARATUS

Patent #:	5357062	Issue Dt:	10/18/1994	Application #:	08010536	Filing Dt:	01/28/1993
Title:	PRESSURE SENSING APPARATUS FOR DIGITIZER PEN TIP

Patent #:	5384688	Issue Dt:	01/24/1995	Application #:	08027642	Filing Dt:	03/08/1993
Title:	THREE-DIMENSIONAL CIRCUITS FOR DIGITIZER AND PEN-BASED COMPUTER SYSTEM PEN CURSORS

Patent #:	5408055	Issue Dt:	04/18/1995	Application #:	08140841	Filing Dt:	10/25/1993
Title:	CORDLESS TRANSDUCER PHASE REFERENCE AND DATA COMMUNICATION APPARATUS AND METHOD FOR DIGITIZERS

Patent #:	5373118	Issue Dt:	12/13/1994	Application #:	08140855	Filing Dt:	10/25/1993
Title:	HALF NORMAL FREQUENCY REGIME PHASE ENCODING IN CORDLESS DIGITIZERS

Patent #:	5384554	Issue Dt:	01/24/1995	Application #:	08163964	Filing Dt:	12/08/1993
Title:	VOLTAGE CONTROLLED OSCILLATOR CIRCUIT EMPLOYING INTEGRATED CIRCUIT COMPONENT RATIOS

Patent #:	5436598	Issue Dt:	07/25/1995	Application #:	08184687	Filing Dt:	01/21/1994
Title:	PHASE LOCK LOOP CIRCUIT FOR SIGNALS PERIODICALLY INVERTING IN PHASE

Patent #:	5807079	Issue Dt:	09/15/1998	Application #:	08192419	Filing Dt:	02/04/1994
Title:	PUMP CLAMP ADAPTER

Patent #:	5525981	Issue Dt:	06/11/1996	Application #:	08282822	Filing Dt:	07/29/1994
Title:	CORDLESS DIGITIZER TRANSDUCER/CURSOR STATUS TRANSMISSION APPARATUS AND METHOD

Patent #:	5736686	Issue Dt:	04/07/1998	Application #:	08396617	Filing Dt:	03/01/1995
Title:	ILLUMINATION APPARATUS FOR A DIGITIZER TABLET WITH IMPROVED LIGHT PANEL

Patent #:	5714720	Issue Dt:	02/03/1998	Application #:	08503409	Filing Dt:	07/15/1995
Title:	HIGH EFFICIENCY PASSIVE POINTER DIGITIZER SYSTEM

Patent #:	5701141	Issue Dt:	12/23/1997	Application #:	08708905	Filing Dt:	09/05/1996
Title:	DIGITIZER TABLET SYSTEM WITH DUAL-MODE CURSOR/MOUSE

Patent #:	4124838	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

GTCO CORPORATION

Exec Dt:

02/01/1999

Assignee

MCG FINANCE CORPORATION

1100 WILSON BOULEVARD, SUITE 800

ARLINGTON, VIRGINIA 22209

Correspondence name and address
	BRYAN CAVE LLP
	DANA E. STERN, ESQ.
	700 13TH STREET, N.W., SUITE 700
	WASHINGTON, D.C. 20005

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