John A. Warren

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Friston, GB

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Patents Grantslast 30 patents

Information Patent Grant
Electrical tester
- Patent number 9,923,377
- Issue date Mar 20, 2018
- British Telecommunications public limited company
- John Warren
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cable connections
- Patent number 9,748,021
- Issue date Aug 29, 2017
- British Telecommunications public limited company
- John Andrew Warren
- G02 - OPTICS
Information Patent Grant
Remote end detection
- Patent number 5,248,128
- Issue date Sep 28, 1993
- British Telecommunications public limited company
- John A. Warren
- G02 - OPTICS
Information Patent Grant
Control method and apparatus
- Patent number 4,856,760
- Issue date Aug 15, 1989
- British Telecommunications
- Peter L. J. Frost
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
CABLE CONNECTIONS
- Publication number 20170146764
- Publication date May 25, 2017
- British Telecommunications public limited company
- John Andrew WARREN
- G02 - OPTICS
Information Patent Application
COMMUNICATIONS INTERFACE
- Publication number 20160353183
- Publication date Dec 1, 2016
- British Telecommunications public limited company
- John Andrew WARREN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRICAL TESTER
- Publication number 20160156196
- Publication date Jun 2, 2016
- British Telecommunications public limited company
- John Warren
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS FOR REPAIRING WIRING
- Publication number 20120034813
- Publication date Feb 9, 2012
- British Telecommunications public limited company
- Christopher Fisk
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...