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.)
EMILE GUSTAVE DROUARD
Original Assignee
EMILE GUSTAVE DROUARD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EMILE GUSTAVE DROUARDfiledCriticalEMILE GUSTAVE DROUARD
Application grantedgrantedCritical
Publication of FR505375ApublicationCriticalpatent/FR505375A/fr