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.)
CARL AUGUST HEINRICH CONZEFF
JEFIM GRIBINJUK
Original Assignee
CARL AUGUST HEINRICH CONZEFF
JEFIM GRIBINJUK
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 CARL AUGUST HEINRICH CONZEFF, JEFIM GRIBINJUKfiledCriticalCARL AUGUST HEINRICH CONZEFF
Application grantedgrantedCritical
Publication of FR409947ApublicationCriticalpatent/FR409947A/fr