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.)
COHEN ET SCHAEFER
Original Assignee
COHEN ET SCHAEFER
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Filing date
Publication date
Application filed by COHEN ET SCHAEFERfiledCriticalCOHEN ET SCHAEFER
Application grantedgrantedCritical
Publication of FR552688ApublicationCriticalpatent/FR552688A/fr