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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LOUIS CHARLES RICHARD
Original Assignee
LOUIS CHARLES RICHARD
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Filing date
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Application filed by LOUIS CHARLES RICHARDfiledCriticalLOUIS CHARLES RICHARD
Application grantedgrantedCritical
Publication of FR397868ApublicationCriticalpatent/FR397868A/fr
Dispositif pour prévenir les tamponnements des trains, donner le signal d'arret, annoncer les gares et les arrivées des trains, leur direction, leur parcours et les distances parcourues