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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:	011590/0406			Pages:	16
		Recorded:	03/07/2001
Conveyance:	RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).

Total properties: 400
Page 1 of 5
Pages: 1 2 3 4 5

Patent #:	4336528	Issue Dt:	06/22/1982	Application #:	05855258	Filing Dt:	11/28/1977
Title:	SEMICONDUCTOR RESISTIVE NETWORK

Patent #:	4178485	Issue Dt:	12/11/1979	Application #:	05906772	Filing Dt:	05/17/1978
Title:	TELEPHONE LINE CIRCUIT

Patent #:	4205548	Issue Dt:	06/03/1980	Application #:	05921450	Filing Dt:	07/03/1978
Title:	STAMPING TOOLS

Patent #:	4227237	Issue Dt:		Application #:	05933539	Filing Dt:
Title:

Patent #:	4246502	Issue Dt:	01/20/1981	Application #:	05933984	Filing Dt:	08/16/1978
Title:	ON BOARD INTEGRATED CIRCUIT CHIP SIGNAL SOURCE

Patent #:	4510097	Issue Dt:	04/09/1985	Application #:	05962543	Filing Dt:	11/20/1978
Title:	HINDERED ALIPHATIC MONOISOCYANATES

Patent #:	4223335	Issue Dt:	09/16/1980	Application #:	06018985	Filing Dt:	03/09/1979
Title:	SEMICONDUCTOR DEVICES

Patent #:	4273965	Issue Dt:	06/16/1981	Application #:	06023999	Filing Dt:	03/26/1979
Title:	TONE DECODING CIRCUIT

Patent #:	4220826	Issue Dt:	09/02/1980	Application #:	06030196	Filing Dt:	04/16/1979
Title:	RINGING GENERATOR

Patent #:	4245214	Issue Dt:	01/13/1981	Application #:	06046346	Filing Dt:	06/07/1979
Title:	SWITCHING MATRIX

Patent #:	4221936	Issue Dt:		Application #:	06046974	Filing Dt:
Title:

Patent #:	4281219	Issue Dt:	07/28/1981	Application #:	06062989	Filing Dt:	08/02/1979
Title:	TELEPHONE LINE CIRCUIT

Patent #:	4321431	Issue Dt:	03/23/1982	Application #:	06069054	Filing Dt:	08/23/1979
Title:	TRUNK CIRCUIT WITH SINGLE COUPLING TRANSFORMER

Patent #:	4307422	Issue Dt:	12/22/1981	Application #:	06075107	Filing Dt:	09/13/1979
Title:	RECEIVER ARRANGEMENT

Patent #:	4304966	Issue Dt:	12/08/1981	Application #:	06083076	Filing Dt:	10/09/1979
Title:	PBX FIELD DISPLAY

Patent #:	4314857	Issue Dt:	02/09/1982	Application #:	06092609	Filing Dt:	11/08/1979
Title:	METHOD OF MAKING INTEGRATED CMOS AND CTD BY SELECTIVE INPLANTATION

Patent #:	4293737	Issue Dt:	10/06/1981	Application #:	06100949	Filing Dt:	12/06/1979
Title:	RINGING DECODER CIRCUIT

Patent #:	4326105	Issue Dt:	04/20/1982	Application #:	06119900	Filing Dt:	02/08/1980
Title:	DIAL PULSE DETECTOR

Patent #:	4335208	Issue Dt:	06/15/1982	Application #:	06129314	Filing Dt:	03/11/1980
Title:	SACCHARIFICATION OF STARCH HYDROLYSATES

Patent #:	4392206	Issue Dt:	07/05/1983	Application #:	06133586	Filing Dt:	03/24/1980
Title:	PRINTER

Patent #:	4376875	Issue Dt:	03/15/1983	Application #:	06205255	Filing Dt:	11/10/1980
Title:	KEYLESS AND INDICATORLESS LOCAS TELEPHONE SWITCHING SYSTEM

Patent #:	4380756	Issue Dt:	04/19/1983	Application #:	06219110	Filing Dt:	12/22/1980
Title:	A CHARGE REDISTRIBUTION CIRCUIT HAVING REDUCED AREA

Patent #:	4481384	Issue Dt:	11/06/1984	Application #:	06285654	Filing Dt:	07/21/1981
Title:	VOICE RECOGNIZING TELEPHONE CALL DENIAL SYSTEM

Patent #:	4459434	Issue Dt:	07/10/1984	Application #:	06286871	Filing Dt:	07/20/1981
Title:	HOME TELEPHONE EXCHANGE

Patent #:	4358531	Issue Dt:	11/09/1982	Application #:	06309972	Filing Dt:	10/09/1981
Title:	PHOTOGRAPHIC MATERIAL, PROCESS FOR THE PRODUCTION THEREOF AND PROCESS FOR THE PRODUCTION OF PHOTOGRAPHIC IMAGES

Patent #:	4495630	Issue Dt:	01/22/1985	Application #:	06328248	Filing Dt:	12/07/1981
Title:	ADJUSTABLE RATIO DIVIDER

Patent #:	4523975	Issue Dt:	06/18/1985	Application #:	06372690	Filing Dt:	04/28/1982
Title:	INTEGRATED CIRCUIT PLANARIZING PROCESS

Patent #:	4521063	Issue Dt:	06/04/1985	Application #:	06394424	Filing Dt:	07/01/1982
Title:	PRINTED CIRCUIT BOARD LOCK

Patent #:	4538031	Issue Dt:	08/27/1985	Application #:	06416612	Filing Dt:	09/10/1982
Title:	HOME COMMUNICATIONS AND CONTROL SYSTEM

Patent #:	4608686	Issue Dt:	08/26/1986	Application #:	06422188	Filing Dt:	09/23/1982
Title:	TWO WIRE VOICE AND DATA SUBSCRIBER LOOP

Patent #:	4580282	Issue Dt:	04/01/1986	Application #:	06443677	Filing Dt:	11/22/1982
Title:	ADJUSTABLE RATIO DIVIDER

Patent #:	4540854	Issue Dt:	09/10/1985	Application #:	06518191	Filing Dt:	07/28/1983
Title:	SUBSCRIBER LINE INTERFACE CIRCUIT

Patent #:	4544808	Issue Dt:	10/01/1985	Application #:	06542038	Filing Dt:	10/14/1983
Title:	TELEPHONE INDICATOR

Patent #:	4562398	Issue Dt:	12/31/1985	Application #:	06575527	Filing Dt:	01/31/1984
Title:	BATTERY MAINTENANCE APPARATUS

Patent #:	4616360	Issue Dt:	10/07/1986	Application #:	06577496	Filing Dt:	02/06/1984
Title:	PERIPHERAL CONTROL FOR A DIGITAL TELEPHONE SYSTEM

Patent #:	4615028	Issue Dt:	09/30/1986	Application #:	06577500	Filing Dt:	02/06/1984
Title:	SWITCHING SYSTEM WITH SEPARATE SUPERVISORY LINKS

Patent #:	4536249	Issue Dt:	08/20/1985	Application #:	06597426	Filing Dt:	04/06/1984
Title:	INTEGRATED CIRCUIT PROCESSING METHODS

Patent #:	4685102	Issue Dt:	08/04/1987	Application #:	06609443	Filing Dt:	05/11/1984
Title:	SWITCHING SYSTEM LOOPBACK TEST CIRCUIT

Patent #:	4604741	Issue Dt:	08/05/1986	Application #:	06611515	Filing Dt:	05/17/1984
Title:	VOICE AND DATA INTERFACE CIRCUIT

Patent #:	4536951	Issue Dt:	08/27/1985	Application #:	06621187	Filing Dt:	06/15/1984
Title:	METHOD OF PRODUCING A LAYERED STRUCTURE

Patent #:	4620114	Issue Dt:	10/28/1986	Application #:	06646113	Filing Dt:	08/31/1984
Title:	SIGNAL STRENGTH DETECTOR

Patent #:	4939103	Issue Dt:	07/03/1990	Application #:	06655439	Filing Dt:	09/28/1984
Title:	METHOD OF DEFUSING PLURALITY OF DOPANTS SIMULTANEOUSLY FROM VAPOR PHASE INTO SEMICONDUCTOR SUBSTRATE

Patent #:	4593253	Issue Dt:	06/03/1986	Application #:	06655695	Filing Dt:	09/28/1984
Title:	FLIP-FLOP PHASE DETECTOR CIRCUIT FOR PHASE LOCKED LOOP

Patent #:	4608539	Issue Dt:	08/26/1986	Application #:	06671948	Filing Dt:	11/16/1984
Title:	FM DETECTOR WITH INJECTION LOCKED DIVIDER INPUT CIRCUIT

Patent #:	4685122	Issue Dt:	08/04/1987	Application #:	06691421	Filing Dt:	01/14/1985
Title:	INTERFACE CIRCUIT FOR REMOTE CONTROL OF A PABX

Patent #:	4669114	Issue Dt:	05/26/1987	Application #:	06705679	Filing Dt:	02/26/1985
Title:	DIGITAL TONE DETECTOR

Patent #:	4723280	Issue Dt:	02/02/1988	Application #:	06747705	Filing Dt:	06/24/1985
Title:	CONSTANT CURRENT LINE CIRCUIT

Patent #:	4796287	Issue Dt:	01/03/1989	Application #:	06781020	Filing Dt:	09/27/1985
Title:	DIGITAL LOUDSPEAKING TELEPHONE

Patent #:	4682328	Issue Dt:	07/21/1987	Application #:	06781023	Filing Dt:	09/27/1985
Title:	DYNAMIC MEMORY REFRESH AND PARITY CHECKING CIRCUIT

Patent #:	4653017	Issue Dt:	03/24/1987	Application #:	06783554	Filing Dt:	10/03/1985
Title:	DECIMATING FILTER

Patent #:	4751666	Issue Dt:	06/14/1988	Application #:	06783559	Filing Dt:	10/03/1985
Title:	SWITCHED CAPACITOR FINITE IMPULSE RESPONSE FILTER

Patent #:	4748576	Issue Dt:	05/31/1988	Application #:	06784880	Filing Dt:	10/01/1985
Title:	PSEUDO-RANDOM BINARY SEQUENCE GENERATORS

Patent #:	4743897	Issue Dt:	05/10/1988	Application #:	06785653	Filing Dt:	10/09/1985
Title:	LED DRIVER CIRCUIT

Patent #:	4860252	Issue Dt:	08/22/1989	Application #:	06794695	Filing Dt:	11/04/1985
Title:	SELF-ADAPTIVE COMPUTER MEMORY ADDRESS ALLOCATION SYSTEM

Patent #:	4734933	Issue Dt:	03/29/1988	Application #:	06794696	Filing Dt:	11/04/1985
Title:	TELEPHONE LINE STATUS CIRCUIT

Patent #:	4672663	Issue Dt:	06/09/1987	Application #:	06799850	Filing Dt:	11/20/1985
Title:	TELEPHONE HANDSET DETECTOR

Patent #:	4764926	Issue Dt:	08/16/1988	Application #:	06807913	Filing Dt:	12/11/1985
Title:	INTEGRATED CIRCUITS

Patent #:	4727578	Issue Dt:	02/23/1988	Application #:	06829907	Filing Dt:	02/18/1986
Title:	TELEPHONE SYSTEM

Patent #:	4701948	Issue Dt:	10/20/1987	Application #:	06839521	Filing Dt:	03/14/1986
Title:	COMMUNICATION SYSTEM HAVING SEPARATE UNIDIRECTIONAL INFORMATION SIGNALLING

Patent #:	4792970	Issue Dt:	12/20/1988	Application #:	06840394	Filing Dt:	03/17/1986
Title:	EXPANSION PORT FOR USE IN A COMMUNICATION SYSTEM

Patent #:	4726054	Issue Dt:	02/16/1988	Application #:	06840395	Filing Dt:	03/17/1986
Title:	SYSTEM FOR INTERCONNECTING A PAIR OF COMMUNICATION SYSTEMS

Patent #:	4776007	Issue Dt:	10/04/1988	Application #:	06865961	Filing Dt:	05/22/1986
Title:	SOLID STATE TRUNK CIRCUIT

Patent #:	4806872	Issue Dt:	02/21/1989	Application #:	06868908	Filing Dt:	05/29/1986
Title:	FREQUENCY MODULATION RECEIVER EMPLOYING FREQUENCY DIVIDER

Patent #:	4760544	Issue Dt:	07/26/1988	Application #:	06876533	Filing Dt:	06/20/1986
Title:	ARITHMETIC LOGIC AND SHIFT DEVICE

Patent #:	4698531	Issue Dt:	10/06/1987	Application #:	06885861	Filing Dt:	07/15/1986
Title:	POWER-ON RESET CIRCUIT

Patent #:	4791639	Issue Dt:	12/13/1988	Application #:	06893950	Filing Dt:	08/06/1986
Title:	COMMUNICATIONS SWITCHING SYSTEM

Patent #:	4747131	Issue Dt:	05/24/1988	Application #:	06898590	Filing Dt:	08/21/1986
Title:	DIAL TONE DETECTOR

Patent #:	4698901	Issue Dt:	10/13/1987	Application #:	06902245	Filing Dt:	08/29/1986
Title:	MESA SEMICONDUCTOR DEVICE

Patent #:	4788720	Issue Dt:	11/29/1988	Application #:	06903143	Filing Dt:	09/03/1986
Title:	PROGRAMMABLE SUBSCRIBER SET

Patent #:	4740993	Issue Dt:	04/26/1988	Application #:	06907584	Filing Dt:	09/15/1986
Title:	DIGITAL COMPANDING CIRCUIT

Patent #:	4694482	Issue Dt:	09/15/1987	Application #:	06921526	Filing Dt:	10/22/1986
Title:	DIGITAL TONE DETECTOR

Patent #:	4736188	Issue Dt:	04/05/1988	Application #:	06925634	Filing Dt:	11/24/1986
Title:	ANALOGUE TO DIGITAL CONVERTERS

Patent #:	4805211	Issue Dt:	02/14/1989	Application #:	06928053	Filing Dt:	11/07/1986
Title:	SUBSCRIBER SET PROGRAMMING MODULE

Patent #:	4736406	Issue Dt:	04/05/1988	Application #:	06928056	Filing Dt:	11/07/1986
Title:	EXPANSION SUBSYSTEM FOR USE IN A COMMUNICATION SYSTEM

Patent #:	4742540	Issue Dt:	05/03/1988	Application #:	06931410	Filing Dt:	11/14/1986
Title:	CIRCUIT FOR SWITCHING BETWEEN BALANCED NETWORKS

Patent #:	4761702	Issue Dt:	08/02/1988	Application #:	06932405	Filing Dt:	11/20/1986
Title:	CMOS LATCH-UP RECOVERY CIRCUIT

Patent #:	4774499	Issue Dt:	09/27/1988	Application #:	07008675	Filing Dt:	01/29/1987
Title:	ANALOGUE TO DIGITAL CONVERTER

Patent #:	4833344	Issue Dt:	05/23/1989	Application #:	07010930	Filing Dt:	02/05/1987
Title:	LOW VOLTAGE BIAS CIRCUIT

Patent #:	4763018	Issue Dt:	08/09/1988	Application #:	07011098	Filing Dt:	02/05/1987
Title:	TRANSISTOR CONSTANT BIAS CIRCUITS

Patent #:	4792989	Issue Dt:	12/20/1988	Application #:	07018216	Filing Dt:	02/24/1987
Title:	TUNER CIRCUITS AND VOLTAGE GENERATORS THEREFOR

Patent #:	4862515	Issue Dt:	08/29/1989	Application #:	07019276	Filing Dt:	04/09/1987
Title:	FREQUENCY DIVIDING ARRANGEMENTS

Patent #:	4806880	Issue Dt:	02/21/1989	Application #:	07019901	Filing Dt:	02/27/1987
Title:	HIGH SPEED INTEGRATOR FOR DATA RECOVERY AND A COSTAS PHASE-LOCKED-LOOP CIRCUIT INCORPORATING

Patent #:	4747368	Issue Dt:	05/31/1988	Application #:	07035032	Filing Dt:	04/06/1987
Title:	CHEMICAL VAPOR DEPOSITION APPARATUS WITH MANIFOLD ENVELOPED BY COOLING MEANS

Patent #:	4806878	Issue Dt:	02/21/1989	Application #:	07056476	Filing Dt:	07/17/1987
Title:	PHASE COMPARATOR LOCK DETECT CIRCUIT AND A SYNTHESISER USING SAME

Patent #:	4810976	Issue Dt:	03/07/1989	Application #:	07060708	Filing Dt:	08/13/1987
Title:	FREQUENCY DOUBLING OSCILLATOR AND MIXER CIRCUIT

Patent #:	4803705	Issue Dt:	02/07/1989	Application #:	07087049	Filing Dt:	08/19/1987
Title:	ANALOG PHASE LOCKED LOOP

Patent #:	4837179	Issue Dt:	06/06/1989	Application #:	07088108	Filing Dt:	08/31/1987
Title:	METHOD OF MAKING A LDD MOSFET

Patent #:	4799022	Issue Dt:	01/17/1989	Application #:	07108264	Filing Dt:	10/13/1987
Title:	FREQUENCY DOUBLER WITH DUTY CYCLE MONITOR MEANS

Patent #:	4982193	Issue Dt:	01/01/1991	Application #:	07110763	Filing Dt:	11/30/1987
Title:	ANALOGUE TO DIGITAL CONVERSION: METHOD AND APPARATUS THEREFOR

Patent #:	4857480	Issue Dt:	08/15/1989	Application #:	07112147	Filing Dt:	10/26/1987
Title:	METHOD FOR DIFFUSING P-TYPE MATERIAL USING BORON DISKS

Patent #:	4843617	Issue Dt:	06/27/1989	Application #:	07127700	Filing Dt:	12/02/1987
Title:	APPARATUS AND METHOD FOR SYNCHRONIZING A COMMUNICATION SYSTEM

Patent #:	4803721	Issue Dt:	02/07/1989	Application #:	07127902	Filing Dt:	12/02/1987
Title:	DC CONTROL CIRCUIT

Patent #:	4833907	Issue Dt:	05/30/1989	Application #:	07128624	Filing Dt:	12/04/1987
Title:	CONSOLIDATED BACKSHOE DIE FOR A TUBE BENDER MACHINE

Patent #:	4862452	Issue Dt:	08/29/1989	Application #:	07142816	Filing Dt:	01/11/1988
Title:	DIGITAL SIGNAL PROCESSING SYSTEM

Patent #:	4866594	Issue Dt:	09/12/1989	Application #:	07152484	Filing Dt:	02/05/1988
Title:	GAS CYLINDER MONITOR AND CONTROL SYSTEM

Patent #:	4853943	Issue Dt:	08/01/1989	Application #:	07156496	Filing Dt:	02/16/1988
Title:	MANCHESTER CODE CLOCK AND DATA RECOVERY SYSTEM

Patent #:	4800586	Issue Dt:	01/24/1989	Application #:	07157862	Filing Dt:	02/19/1988
Title:	COMPENSATION CIRCUIT FOR USE WITH AN INTEGRATING AMPLIFIER

Patent #:	4887293	Issue Dt:	12/12/1989	Application #:	07158347	Filing Dt:	02/22/1988
Title:	TRUNK CIRCUIT WITH LOOP LENGTH GAIN EQUALIZATION

Patent #:	4977530	Issue Dt:	12/11/1990	Application #:	07189180	Filing Dt:	05/02/1988
Title:	VOLTAGE MONITOR FOR IN-CIRCUIT TESTING

100

Patent #:	4868872	Issue Dt:	09/19/1989	Application #:	07230078	Filing Dt:	08/09/1988
Title:	TELEPHONE TONE DETECTOR

Assignor

CANADIAN IMPERIAL BANK OF COMMERCE

Exec Dt:

02/16/2001

Assignees

MITEL CORPORATION

400 MARCH ROAD

KANATA ONTARIO, CANADA K2K 3

MITEL SEMICONDUCTOR AMERICAS, INC., A DELAWARE CORPORATION

C/O MITEL CORPORAION

400 MARCH ROAD

KANATA ONTARIO, CANADA K2K 3

MITEL, INC., A DELAWARE CORPORATION

C/O MITEL CORPORATION

400 MARCH ROAD

KANATA ONTARIO, CANADA K2K 3

MITEL SEMICONDUCTOR, INC., A DELAWARE CORPORATION

C/O MITEL CORPORATION

400 MARCH ROAD

KANATA ONTARIO, CANADA K2K 3

MITEL SEMICONDUCTOR, LIMITED

C/O MITEL CORPORATION

400 MARCH ROAD

KANATA ONTARIO, CANADA K2K 3

MITEL TELCOM LIMITED CORPORATION

C/O MITEL CORPORATION

400 MARCH ROAD

KANATA ONTARIO, CANADA K2K 3

Correspondence name and address
	RUBINBAUM LLP
	MARTIN P. MICHAEL, ESQ.
	30 ROCKEFELLER PLAZA
	NEW YORK, NEW YORK 10112

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