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last 30 patents
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Patent Grant
System for the display of luminous data with improved readability
Patent number
5,057,744
Issue date
Oct 15, 1991
Thomson-CSF
Bruno Barbier
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Radiant energy detection system
Patent number
4,028,544
Issue date
Jun 7, 1977
Thomson-CSF
Francis Jourdan
G02 - OPTICS