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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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Filing date
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Application filed by Lignes Telegraphiques et Telephoniques LTT SAfiledCriticalLignes Telegraphiques et Telephoniques LTT SA
Application grantedgrantedCritical
Publication of FR740738ApublicationCriticalpatent/FR740738A/fr