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.)
ADOLPHE-FRANCOIS-JOSEPH DOUTRE
Original Assignee
ADOLPHE-FRANCOIS-JOSEPH DOUTRE
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Application filed by ADOLPHE-FRANCOIS-JOSEPH DOUTREfiledCriticalADOLPHE-FRANCOIS-JOSEPH DOUTRE
Application grantedgrantedCritical
Publication of FR474835ApublicationCriticalpatent/FR474835A/fr