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.)
CHARLES JEAN ANTOINE MASSON
Original Assignee
CHARLES JEAN ANTOINE MASSON
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
Priority to FR775691DpriorityCriticalpatent/FR775691A/fr
Priority to BE404989Dprioritypatent/BE404989A/fr
Application filed by CHARLES JEAN ANTOINE MASSONfiledCriticalCHARLES JEAN ANTOINE MASSON
Priority to GB25323/34Aprioritypatent/GB448413A/en
Publication of GB448413ApublicationCriticalpatent/GB448413A/en