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Francoise Cheysson
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Montrouge, FR
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last 30 patents
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Patent Grant
Clear holographic helmet visor and process of producing same
Patent number
4,874,214
Issue date
Oct 17, 1989
Thomson-CSF
Francoise Cheysson
G02 - OPTICS
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Patent Grant
Wide field high optical efficiency display device
Patent number
4,830,464
Issue date
May 16, 1989
Thomson-CSF
Francoise Cheysson
G02 - OPTICS