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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:	011195/0706			Pages:	251
		Recorded:	08/30/2000
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Total properties: 3893
Page 1 of 39
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

Patent #:	4115515	Issue Dt:		Application #:	05802868	Filing Dt:
Title:

Patent #:	RE30715	Issue Dt:	08/18/1981	Application #:	05957046	Filing Dt:	11/01/1978
Title:	WATER BLOCKED ELECTRIC CABLES

Patent #:	4232203	Issue Dt:	11/04/1980	Application #:	06009655	Filing Dt:	02/05/1979
Title:	INTEGRAL TELEPHONE SET AND HANDSET

Patent #:	4243846	Issue Dt:	01/06/1981	Application #:	06009656	Filing Dt:	02/05/1979
Title:	PUSHBUTTON SWITCH ASSEMBLY FOR TELECOMMUNICATIONS AND OTHER INPUT APPARATUS

Patent #:	4218808	Issue Dt:	08/26/1980	Application #:	06009844	Filing Dt:	02/06/1979
Title:	HINGE HAVING REPRODUCIBLE BEARING FRICTION

Patent #:	4367456	Issue Dt:	01/04/1983	Application #:	06019258	Filing Dt:	03/09/1979
Title:	PCM AND PAM CONVERSION CIRCUIT INCLUDING SIGNAL LEVEL VARIATION ON THE PCM PORTION OF THE CIRCUIT

Patent #:	4304496	Issue Dt:	12/08/1981	Application #:	06025896	Filing Dt:	04/02/1979
Title:	RIBBON GUIDING AND RE-INKING MEANS FOR DATA PRINTERS AND THE LIKE

Patent #:	4227248	Issue Dt:	10/07/1980	Application #:	06026790	Filing Dt:	04/03/1979
Title:	PCM TONE SIGNAL GENERATOR

Patent #:	4256920	Issue Dt:	03/17/1981	Application #:	06031309	Filing Dt:	04/18/1979
Title:	RE-ENTERABLE DUCT SEAL

Patent #:	4243842	Issue Dt:	01/06/1981	Application #:	06032866	Filing Dt:	04/24/1979
Title:	TELEPHONE LINE CIRCUIT

Patent #:	4303346	Issue Dt:	12/01/1981	Application #:	06038683	Filing Dt:	05/14/1979
Title:	PRINTER HEAD CLUTCH

Patent #:	4229716	Issue Dt:	10/21/1980	Application #:	06039257	Filing Dt:	05/16/1979
Title:	AMPLITUDE EQUALIZER CIRCUIT

Patent #:	4214364	Issue Dt:	07/29/1980	Application #:	06041003	Filing Dt:	05/21/1979
Title:	HERMETIC AND NON-HERMETIC PACKAGING OF DEVICES

Patent #:	4266099	Issue Dt:	05/05/1981	Application #:	06043348	Filing Dt:	05/29/1979
Title:	PULSE REJECTION AND DURATION CORRECTION CIRCUIT

Patent #:	4307937	Issue Dt:	12/29/1981	Application #:	06044856	Filing Dt:	06/04/1979
Title:	OPTICAL MODULATORS

Patent #:	4247865	Issue Dt:	01/27/1981	Application #:	06044860	Filing Dt:	06/04/1979
Title:	ALTERNATE FRAME SHIFT COLOUR VIDEO DISPLAY TECHNIQUE

Patent #:	4342079	Issue Dt:	07/27/1982	Application #:	06046101	Filing Dt:	06/06/1979
Title:	DUPLICATED MEMORY SYSTEM HAVING STATUS INDICATION

Patent #:	4323730	Issue Dt:	04/06/1982	Application #:	06048144	Filing Dt:	06/13/1979
Title:	IDLE CHANNEL NOISE SUPPRESSOR FOR SPEECH ENCODERS

Patent #:	4274707	Issue Dt:	06/23/1981	Application #:	06048669	Filing Dt:	06/14/1979
Title:	APPARATUS FOR FUSION SPLICING OF OPTICAL FIBERS

Patent #:	4275290	Issue Dt:	06/23/1981	Application #:	06048670	Filing Dt:	06/14/1979
Title:	THERMALLY ACTIVATED LIQUID INK PRINTING

Patent #:	4303345	Issue Dt:	12/01/1981	Application #:	06050133	Filing Dt:	06/20/1979
Title:	INK RIBBON DRIVE FOR DATA PRINTERS

Patent #:	4224090	Issue Dt:	09/23/1980	Application #:	06052233	Filing Dt:	06/26/1979
Title:	POWDER FILLING OF ELECTRIC CABLES, WITH CABLE VIBRATING MEANS

Patent #:	4254496	Issue Dt:	03/03/1981	Application #:	06052954	Filing Dt:	06/28/1979
Title:	DIGITAL COMMUNICATION BUS SYSTEM

Patent #:	4277650	Issue Dt:	07/07/1981	Application #:	06053826	Filing Dt:	07/02/1979
Title:	SINGLE FREQUENCY TONE RECEIVER

Patent #:	4251136	Issue Dt:	02/17/1981	Application #:	06060274	Filing Dt:	07/25/1979
Title:	LCDS (LIQUID CRYSTAL DISPLAYS) CONTROLLED BY A THIN FILM DIODE SWITCHES

Patent #:	4223308	Issue Dt:	09/16/1980	Application #:	06060290	Filing Dt:	07/25/1979
Title:	LCDS (LIQUID CRYSTAL DISPLAYS) CONTROLLED BY THIN FILM DIODE SWITCHES

Patent #:	4311399	Issue Dt:	01/19/1982	Application #:	06060335	Filing Dt:	07/25/1979
Title:	METHOD AND APPARATUS FOR SETTING AND VARYING MARGINS AND LINE SPACING ON DATA PRINTERS

Patent #:	4233646	Issue Dt:	11/11/1980	Application #:	06061689	Filing Dt:	07/30/1979
Title:	LATCHING LEVER FOR PRINTED CIRCUIT BOARDS

Patent #:	4242543	Issue Dt:	12/30/1980	Application #:	06066408	Filing Dt:	08/14/1979
Title:	MULTIPLE CANTILEVER SPRING CONTACT HOOK SWITCH

Patent #:	4268726	Issue Dt:	05/19/1981	Application #:	06067332	Filing Dt:	08/17/1979
Title:	MULTIPLE CANTILEVER SPRING CONTACT SWITCH

Patent #:	4259558	Issue Dt:	03/31/1981	Application #:	06067476	Filing Dt:	08/17/1979
Title:	MULTIPLE CANTILEVER SPRING CONTACT SWITCH

Patent #:	4284852	Issue Dt:	08/18/1981	Application #:	06067542	Filing Dt:	08/17/1979
Title:	ALTERNATE ROUTING FOR A TELEPHONE SYSTEM

Patent #:	D263047	Issue Dt:	02/16/1982	Application #:	06067570	Filing Dt:	08/17/1979
Title:	TELEPHONE BASE

Patent #:	4284854	Issue Dt:	08/18/1981	Application #:	06068224	Filing Dt:	08/20/1979
Title:	UNIVERSAL SIGNAL GENERATOR FOR GENERATING TELEPHONE SYSTEM HIGH LEVEL SIGNALS

Patent #:	4342883	Issue Dt:	08/03/1982	Application #:	06068583	Filing Dt:	08/22/1979
Title:	PUSHBUTTON SWITCH ASSEMBLIES FOR TELEPHONE SETS

Patent #:	4284855	Issue Dt:	08/18/1981	Application #:	06068584	Filing Dt:	08/22/1979
Title:	BASE FOR TELEPHONE SET, FOR ALTERNATIVE DESK AND WALL MOUNTING

Patent #:	4305674	Issue Dt:	12/15/1981	Application #:	06068692	Filing Dt:	08/22/1979
Title:	LATERAL POSITION CONTROL MEANS FOR DATA PRINTER HEADS

Patent #:	4297651	Issue Dt:	10/27/1981	Application #:	06068887	Filing Dt:	08/23/1979
Title:	METHODS FOR SIMULTANEOUS SUPPRESSION OF LASER PULSATIONS AND CONTINUOUS MONITORING OF OUTPUT POWER

Patent #:	4276450	Issue Dt:	06/30/1981	Application #:	06072365	Filing Dt:	09/05/1979
Title:	METHOD AND APPARATUS FOR IMPROVING TELEPHONE HYBRID NETWORK

Patent #:	4265686	Issue Dt:	05/05/1981	Application #:	06074970	Filing Dt:	09/13/1979
Title:	POWER FILLING OF CABLE CORE UNITS

Patent #:	4232293	Issue Dt:	11/04/1980	Application #:	06076148	Filing Dt:	09/17/1979
Title:	LINE INTERFACE UNIT FOR VOICE AND WIDE BAND SIGNAL COUPLING

Patent #:	4298630	Issue Dt:	11/03/1981	Application #:	06076320	Filing Dt:	09/17/1979
Title:	METHOD OF MANUFACTURING ELECTRICALLY INSULATED CONDUCTORS WITH ULTRA-VIOLET CURED COATINGS

Patent #:	4313150	Issue Dt:	01/26/1982	Application #:	06078016	Filing Dt:	09/24/1979
Title:	LATCHING LEVER FOR PRINTED CIRCUIT BOARDS

Patent #:	4292477	Issue Dt:	09/29/1981	Application #:	06078674	Filing Dt:	09/25/1979
Title:	TELEPHONE SET BASE FOR BOTH WALL AND DESK MOUNTING

Patent #:	4271333	Issue Dt:	06/02/1981	Application #:	06078692	Filing Dt:	09/25/1979
Title:	PUSHBUTTON DIAL ASSEMBLY

Patent #:	4291202	Issue Dt:	09/22/1981	Application #:	06078693	Filing Dt:	09/25/1979
Title:	TELEPHONE HANDSET CHASSIS AND FLEXIBLE PRINTED CIRCUIT

Patent #:	4317002	Issue Dt:	02/23/1982	Application #:	06087893	Filing Dt:	10/24/1979
Title:	MULTI-CORE POWER CABLE

Patent #:	4286121	Issue Dt:	08/25/1981	Application #:	06088011	Filing Dt:	10/25/1979
Title:	TELEPHONE LINE CUTOVER APPARATUS AND SWITCH

Patent #:	D265311	Issue Dt:	07/06/1982	Application #:	06088388	Filing Dt:	10/22/1979
Title:	TELEPHONE DISPLAY SET BASE

Patent #:	4297529	Issue Dt:	10/27/1981	Application #:	06089224	Filing Dt:	10/29/1979
Title:	MODULAR TELEPHONE JACK

Patent #:	4291094	Issue Dt:	09/22/1981	Application #:	06089226	Filing Dt:	10/29/1979
Title:	PULP INSULATION REPAIR

Patent #:	4423288	Issue Dt:	12/27/1983	Application #:	06089242	Filing Dt:	10/29/1979
Title:	MODULAR TELEPHONE JACK

Patent #:	4291299	Issue Dt:	09/22/1981	Application #:	06089937	Filing Dt:	10/31/1979
Title:	ANALOG TO DIGITAL CONVERTER USING TIMED LEVEL CHANGES

Patent #:	D266667	Issue Dt:	10/26/1982	Application #:	06089938	Filing Dt:	10/31/1979
Title:	TELEPHONE AND DATA SET BASE

Patent #:	D265089	Issue Dt:	06/22/1982	Application #:	06089939	Filing Dt:	10/31/1979
Title:	TELEPHONE SET BASE

Patent #:	D265991	Issue Dt:	08/31/1982	Application #:	06089940	Filing Dt:	10/31/1979
Title:	TRANSMISSION SWITCHING EQUIPMENT CABINET

Patent #:	D266561	Issue Dt:	10/19/1982	Application #:	06090001	Filing Dt:	10/31/1979
Title:	TELEPHONE HANDSET

Patent #:	D263208	Issue Dt:	03/02/1982	Application #:	06091593	Filing Dt:	11/05/1979
Title:	ELECTRICAL TEST SET HOUSING MEMBER

Patent #:	4349780	Issue Dt:	09/14/1982	Application #:	06093397	Filing Dt:	11/13/1979
Title:	SENSOR DEVICE FOR CONTINUOUS MEASUREMENT OF JACKET THICKNESS ON A CABLE

Patent #:	4249414	Issue Dt:	02/10/1981	Application #:	06102243	Filing Dt:	12/10/1979
Title:	APPARATUS FOR TESTING HARDNESS OF WOODEN POLES

Patent #:	4279464	Issue Dt:	07/21/1981	Application #:	06104728	Filing Dt:	12/18/1979
Title:	INTEGRATED OPTICAL WAVELENGTH DEMULTIPLEXER

Patent #:	4295179	Issue Dt:	10/13/1981	Application #:	06104869	Filing Dt:	12/18/1979
Title:	ELECTRIC TEST EQUIPMENT HOUSING

Patent #:	4255609	Issue Dt:	03/10/1981	Application #:	06104884	Filing Dt:	12/18/1979
Title:	GROUNDING OF AERIALLY LOCATED TELECOMMUNICATIONS CABLE

Patent #:	4314309	Issue Dt:	02/02/1982	Application #:	06104886	Filing Dt:	12/18/1979
Title:	ELECTRIC TEST EQUIPMENT MOUNTING

Patent #:	4307305	Issue Dt:	12/22/1981	Application #:	06110474	Filing Dt:	01/08/1980
Title:	PRECISION RECTIFIER CIRCUITS

Patent #:	4362995	Issue Dt:	12/07/1982	Application #:	06110475	Filing Dt:	01/08/1980
Title:	METHOD OF AND APPARATUS FOR PRODUCING A LOGARITHMIC REPRESENTATION OF AN INPUT VOLTAGE

Patent #:	4317052	Issue Dt:	02/23/1982	Application #:	06110476	Filing Dt:	01/08/1980
Title:	APPARATUS FOR CONVERTING AN A.C. INPUT SIGNAL TO A RECTIFIED AND SMOOTHED D.C. SIGNAL

Patent #:	4320338	Issue Dt:	03/16/1982	Application #:	06110478	Filing Dt:	01/08/1980
Title:	METHODS OF AND APPARATUS FOR DETERMINING THE CAPACITANCE OF A TRANS- MISSION LINE BY INTEGRATING LINE CURRENTS

Patent #:	4296281	Issue Dt:	10/20/1981	Application #:	06115906	Filing Dt:	01/28/1980
Title:	STATIC, SOLID STATE ORIGINATING REGISTER COMPATIBLE WITH AN ELECTROMECHANICAL TELEPHONE CROSS-BAR SWITCHING SYSTEM

Patent #:	4323859	Issue Dt:	04/06/1982	Application #:	06118653	Filing Dt:	02/04/1980
Title:	CHANELLED SUBSTRATE DOUBLE HETEROSTRUCTURE LASERS

Patent #:	4325034	Issue Dt:	04/13/1982	Application #:	06121172	Filing Dt:	02/13/1980
Title:	SEMICONDUCTOR LASERS WITH INTEGRALLY FORMED LIGHT EMITTING DIODES

Patent #:	4300142	Issue Dt:	11/10/1981	Application #:	06121704	Filing Dt:	02/15/1980
Title:	THERMAL PRINTER

Patent #:	4320262	Issue Dt:	03/16/1982	Application #:	06123259	Filing Dt:	02/20/1980
Title:	TELEPHONE HANDSET WITH INTEGRAL SHOULDER REST

Patent #:	4322573	Issue Dt:	03/30/1982	Application #:	06129246	Filing Dt:	03/11/1980
Title:	ENCAPSULATION OF TELECOMMUNICATIONS CABLE SPLICES

Patent #:	4328399	Issue Dt:	05/04/1982	Application #:	06131877	Filing Dt:	03/20/1980
Title:	PUSHBUTTON SWITCH ASSEMBLY FOR TELECOMMUNICATIONS AND OTHER INPUT APPARATUS

Patent #:	RE30692	Issue Dt:	07/28/1981	Application #:	06133224	Filing Dt:	03/24/1980
Title:	METHOD AND APPARATUS FOR MEASURING TELEPHONE LINE CHARACTERISTICS

Patent #:	4366488	Issue Dt:	12/28/1982	Application #:	06136533	Filing Dt:	04/02/1980
Title:	READ/WRITENGEMENT FOR A MAGNETIC TERMINAL

Patent #:	4284884	Issue Dt:	08/18/1981	Application #:	06138747	Filing Dt:	04/09/1980
Title:	ELECTRO-OPTIC DEVICES

Patent #:	4326109	Issue Dt:	04/20/1982	Application #:	06138839	Filing Dt:	04/11/1980
Title:	APPARATUS FOR COUPLING A TWO-WAY TRANSMISSION PATH TO A ONE-WAY TRANSMITTING PATH AND A ONE-WAY RECEIVING PATH

Patent #:	D264845	Issue Dt:	06/08/1982	Application #:	06139982	Filing Dt:	04/14/1980
Title:	HOUSING FOR TELECOMMUNICATIONS APPARATUS

Patent #:	4346956	Issue Dt:	08/31/1982	Application #:	06141260	Filing Dt:	04/17/1980
Title:	DISTRIBUTING FRAME AND TERMINAL BLOCK MEMBER ASSEMBLIES

Patent #:	4349706	Issue Dt:	09/14/1982	Application #:	06143617	Filing Dt:	04/25/1980
Title:	WALL MOUNTING ADAPTOR FOR TELEPHONE SET

Patent #:	4369337	Issue Dt:	01/18/1983	Application #:	06146237	Filing Dt:	05/05/1980
Title:	CENTRAL OFFICE INTERFACE CIRCUIT

Patent #:	4337531	Issue Dt:	06/29/1982	Application #:	06149765	Filing Dt:	05/14/1980
Title:	SCANNING HEAD FOR AN OPTICAL DISC SYSTEM

Patent #:	4337908	Issue Dt:	07/06/1982	Application #:	06149768	Filing Dt:	05/14/1980
Title:	CARTRIDGE-LOADING APPARATUS FOR TAPE RECORDER DRIVES

Patent #:	4319193	Issue Dt:	03/09/1982	Application #:	06149838	Filing Dt:	05/14/1980
Title:	TESTING OF RELAYS AND SIMILAR DEVICES

Patent #:	4330690	Issue Dt:	05/18/1982	Application #:	06150434	Filing Dt:	05/05/1980
Title:	TELEPHONE GROUP LISTENING SYSTEMS

Patent #:	4317968	Issue Dt:	03/02/1982	Application #:	06155933	Filing Dt:	06/03/1980
Title:	MULTIPLE CANTILEVER SPRING CONTACT SWITCH

Patent #:	4319095	Issue Dt:	03/09/1982	Application #:	06157271	Filing Dt:	06/06/1980
Title:	TELEPHONE HANDSET TRANSDUCER MOUNTING

Patent #:	4316059	Issue Dt:	02/16/1982	Application #:	06158218	Filing Dt:	06/10/1980
Title:	GAIN CONTROLLER FOR A TELECONFERENCING BRIDGE

Patent #:	4319086	Issue Dt:	03/09/1982	Application #:	06162327	Filing Dt:	06/23/1980
Title:	VOICE SWITCH FOR HANDS FREE COMMUNICATION APPARATUS

Patent #:	4310212	Issue Dt:	01/12/1982	Application #:	06166619	Filing Dt:	07/07/1980
Title:	RETAINER MEMBER WITH DUAL ACTION CANTILEVER BEAMS

Patent #:	4365168	Issue Dt:	12/21/1982	Application #:	06167734	Filing Dt:	07/14/1980
Title:	ELECTRICAL CIRCUIT ON PORCELAIN COATED METAL SUBSTRATES

Patent #:	4319107	Issue Dt:	03/09/1982	Application #:	06171175	Filing Dt:	07/22/1980
Title:	ENCLOSED MODULAR SWITCH

Patent #:	4286835	Issue Dt:	09/01/1981	Application #:	06171178	Filing Dt:	07/22/1980
Title:	MODULAR TELEPHONE CONNECTOR

Patent #:	4359611	Issue Dt:	11/16/1982	Application #:	06171184	Filing Dt:	07/22/1980
Title:	MODULAR SWITCH

Patent #:	4351984	Issue Dt:	09/28/1982	Application #:	06172236	Filing Dt:	07/25/1980
Title:	APPARATUS FOR USE IN A TELEPHONE EXCHANGE INCLUDING AN OPERATOR CORDBOARD POSITION

Patent #:	4339628	Issue Dt:	07/13/1982	Application #:	06179799	Filing Dt:	08/20/1980
Title:	A RF SHIELDING SUPPORT FOR STACKED ELECTRICAL CIRCUIT BOARDS

Patent #:	4389689	Issue Dt:	06/21/1983	Application #:	06180841	Filing Dt:	08/25/1980
Title:	METHOD AND APPARATUS FOR MOUNTING MAGNETIC TAPE HEADS

100

Patent #:	4293740	Issue Dt:	10/06/1981	Application #:	06180882	Filing Dt:	08/25/1980
Title:	HANDS FREE ANSWER INTERCOM

Assignor

NORTEL NETWORKS CORPORATION

Exec Dt:

08/30/2000

Assignee

NORTEL NETWORKS LIMITED

WORLD TRADE CENTER OF MONTREAL

380 ST. ANTOINE STREET WEST, 8TH FLOOR

MONTREAL, QUEBEC, CANADA H2Y 3

Correspondence name and address
	NORTEL NETWORKS LIMITED
	W. GLEN JOHNSON
	2100 LAKESIDE BLVD.
	M/S 468/05/B10, IP LAW GROUP
	RICHARDSON, TX 75082-4399

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