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Patents Grants
last 30 patents
Information
Patent Grant
Loran-C system monitor circuit
Patent number
4,195,299
Issue date
Mar 25, 1980
International Telephone and Telegraph Corporation
James P. Van Etten
G01 - MEASURING TESTING
Information
Patent Grant
Method of fabricating an elliptical core single mode fiber
Patent number
4,184,859
Issue date
Jan 22, 1980
International Telephone and Telegraph Corporation
Mokhtar S. Maklad
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Water resistant high strength fibers
Patent number
4,183,621
Issue date
Jan 15, 1980
International Telephone and Telegraph Corporation
Charles K. Kao
G02 - OPTICS
Information
Patent Grant
Radiation hardness of optical fibers
Patent number
4,182,664
Issue date
Jan 8, 1980
International Telephone and Telegraph Corporation
Mokhtar S. Maklad
G02 - OPTICS
Information
Patent Grant
Automatic channel selector for a two-way transceiver in a multichan...
Patent number
4,181,887
Issue date
Jan 1, 1980
International Telephone and Telegraph Corporation
Harry Place
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Lift device arrangement
Patent number
4,179,021
Issue date
Dec 18, 1979
International Telephone and Telegraph Corporation
Charles H. Wallace
A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
Information
Patent Grant
Flash unit for a camera
Patent number
4,175,279
Issue date
Nov 20, 1979
International Telephone and Telegraph Corporation
James T. Asaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Continuously expandable switching network
Patent number
4,173,713
Issue date
Nov 6, 1979
International Telephone and Telegraph Corporation
Kenneth F. Giesken
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Solderable zener diode
Patent number
4,171,528
Issue date
Oct 16, 1979
International Telephone and Telegraph Corporation
Harry C. Kling
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage switch and capacitive drive
Patent number
4,170,740
Issue date
Oct 9, 1979
International Telephone and Telegraph Corporation
Joseph Pernyeszi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Single power supply multiple image intensifier apparatus and method...
Patent number
4,166,213
Issue date
Aug 28, 1979
International Telephone and Telegraph Corporation
Alan W. Hoover
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for lapping or polishing materials
Patent number
4,165,584
Issue date
Aug 28, 1979
International Telephone and Telegraph Corporation
Raymond E. Scherrer
B24 - GRINDING POLISHING
Information
Patent Grant
Processor for multiple, continuous, spread spectrum signals
Patent number
4,164,628
Issue date
Aug 14, 1979
International Telephone and Telegraph Corporation
Charles R. Ward
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital CVSD telephone conference circuit
Patent number
4,163,871
Issue date
Aug 7, 1979
International Telephone and Telegraph Corporation
Charles R. Maggi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cylindrical mode power divider/combiner with isolation
Patent number
4,163,955
Issue date
Aug 7, 1979
International Telephone and Telegraph Corporation
Floyd W. Iden
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pulse transmitter reference networks supplying ECD capability
Patent number
4,161,696
Issue date
Jul 17, 1979
International Telephone and Telegraph Corporation
Milton Dishal
G01 - MEASURING TESTING
Information
Patent Grant
Digital signal level measurement
Patent number
4,160,134
Issue date
Jul 3, 1979
International Telephone and Telegraph Corporation
James C. Carroll
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Camera photoflash attachment
Patent number
D252209
Issue date
Jun 26, 1979
International Telephone and Telegraph Corporation
Robert L. Taylor
D16 - Photography and optical equipment
Information
Patent Grant
Microwave baking of brown and serve products
Patent number
4,157,403
Issue date
Jun 5, 1979
International Telephone and Telegraph Corporation
Robert F. Schiffmann
A21 - BAKING EDIBLE DOUGHS
Information
Patent Grant
Binary frequency synthesizer
Patent number
4,156,205
Issue date
May 22, 1979
International Telephone and Telegraph Corporation
Joseph Kadin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Paging amplifier for a key telephone system
Patent number
4,153,820
Issue date
May 8, 1979
International Telephone and Telegraph Corporation
Bruce R. Saxon
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Galium aluminum arsenide graded index waveguide
Patent number
4,152,044
Issue date
May 1, 1979
International Telephone and Telegraph Corporation
Yet-Zen Liu
G02 - OPTICS
Information
Patent Grant
PCM time slot exchange
Patent number
4,138,597
Issue date
Feb 6, 1979
International Telephone and Telegraph Corporation
Donald A. Ashford
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Selective sampling method
Patent number
4,138,680
Issue date
Feb 6, 1979
International Telephone and Telegraph Corporation
James F. De Lorme
G01 - MEASURING TESTING
Information
Patent Grant
Automatic calling directory
Patent number
4,136,820
Issue date
Jan 30, 1979
International Telephone and Telegraph Corporation
Juan Collado
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Homogenizer
Patent number
4,135,829
Issue date
Jan 23, 1979
International Telephone and Telegraph Corporation
Richard J. Grillo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Radiator/circuit incorporating a cross slot waveguide antenna array...
Patent number
4,132,992
Issue date
Jan 2, 1979
International Telephone and Telegraph Corporation
Emmanuel J. Perrotti
G01 - MEASURING TESTING
Information
Patent Grant
Direct view device
Patent number
4,126,813
Issue date
Nov 21, 1978
International Telephone and Telegraph Corporation
Richard K. Orthuber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ball valve having metal seat rings
Patent number
4,126,295
Issue date
Nov 21, 1978
International Telephone and Telegraph Corporation
Angelo Natalizia
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strip microchannel electron multiplier array support structure
Patent number
4,126,804
Issue date
Nov 21, 1978
International Telephone and Telegraph Corporation
Adolf R. Asam
C03 - GLASS MINERAL OR SLAG WOOL
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