Robert M. Percival

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Suffolk, GB

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Patents Grantslast 30 patents

Information Patent Grant
Optical communications system and method of protecting an optical r...
- Patent number 7,162,161
- Issue date Jan 9, 2007
- British Telecommunications public limited company
- Richard Wyatt
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Silica glass composition with lasing properties, an optical wavegui...
- Patent number 6,628,883
- Issue date Sep 30, 2003
- British Telecommunications public limited company, a corporation of England
- Richard Wyatt
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical communication link fault signalling
- Patent number 5,724,149
- Issue date Mar 3, 1998
- British Telecommunications p.l.c.
- William Andrew Stallard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and laser
- Patent number 5,617,244
- Issue date Apr 1, 1997
- British Telecommunications public limited company
- Robert M. Percival
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Optical communications system and method of protecting an optical r...
- Publication number 20020141021
- Publication date Oct 3, 2002
- Richard Wyatt
- G02 - OPTICS
Information Patent Application
Silica glass composition with lasing properties, an optical wavegui...
- Publication number 20020021882
- Publication date Feb 21, 2002
- Richard Wyatt
- C03 - GLASS MINERAL OR SLAG WOOL