Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Tesla AS
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Tesla AS
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Application filed by Tesla ASfiledCriticalTesla AS
Priority to FR787338ApriorityCriticalpatent/FR1216890A/fr
Application grantedgrantedCritical
Publication of FR1216890ApublicationCriticalpatent/FR1216890A/fr
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B33/00—Electroluminescent light sources
FR787338A1959-02-201959-02-20Procédé et dispositif pour agir sur la répartition géométrique de la clarté d'un élément électroluminescent
ExpiredFR1216890A
(fr)