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Andrew W. Nelson
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Felixstone, GB
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last 30 patents
Information
Patent Grant
Method of manufacturing semiconductor structures
Patent number
5,242,857
Issue date
Sep 7, 1993
British Telecommunications public limited company
David M. Cooper
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Preparation of semiconductor devices
Patent number
4,981,814
Issue date
Jan 1, 1991
British Telecommunications public limited company
Andrew Nelson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor structure with flared mesa burying layers
Patent number
4,935,936
Issue date
Jun 19, 1990
British Telecommunications p.l.c.
Andrew W. Nelson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor structures and a method of manufacturing semiconducto...
Patent number
4,864,581
Issue date
Sep 5, 1989
British Telecommunications Public Limited Company
Andrew W. Nelson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ridge waveguide optical devices
Patent number
4,805,184
Issue date
Feb 14, 1989
British Telecommunications, plc
Philip J. Fiddyment
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Growth of semiconductors on a shaped semiconductor substrate
Patent number
4,734,387
Issue date
Mar 29, 1988
British Telecommunications plc
Andrew W. Nelson
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method of making ridge waveguide lasers
Patent number
4,728,628
Issue date
Mar 1, 1988
British Telecommunications public limited company
Philip J. Fiddyment
H01 - BASIC ELECTRIC ELEMENTS