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Henriette Magna
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Antony, FR
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last 30 patents
Information
Patent Grant
Device for optically reading optical recording medium
Patent number
5,168,485
Issue date
Dec 1, 1992
Thomson-CSF
Jean-Claude Lehureau
G02 - OPTICS
Information
Patent Grant
Method for detection of end of grinding of a thin layer magnetic head
Patent number
5,013,394
Issue date
May 7, 1991
Compagnie Europeenne de Composants Electroniques LCC
Jean-Luc Rolland
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for achieving the planar surface of an active face for a mag...
Patent number
4,939,835
Issue date
Jul 10, 1990
Compagnis Europeenne de Composants Electroniques
Jean-Marc Coutellier
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermo-optic information writing process and information support fo...
Patent number
4,586,165
Issue date
Apr 29, 1986
Thomson-CSF
Jean Cornet
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermosensitive data-carrier designed for the recording of informat...
Patent number
4,405,862
Issue date
Sep 20, 1983
Thomson-Brandt
Claude Bricot
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermo-optic information writing process and information support fo...
Patent number
4,405,994
Issue date
Sep 20, 1983
Thomson-CSF
Jean Cornet
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Protected optical disc
Patent number
4,380,016
Issue date
Apr 12, 1983
Thomson-CSF
Jean-Claude Lehureau
G11 - INFORMATION STORAGE
Information
Patent Grant
Protected optical disc
Patent number
4,308,545
Issue date
Dec 29, 1981
Thomson-CSF
Jean-Claude Lehureau
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermosensitive data-carrier designed for the recording of informat...
Patent number
4,176,277
Issue date
Nov 27, 1979
Thomson-Brandt
Claude Bricot
G11 - INFORMATION STORAGE