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 claimed from DE1900117466Dexternal-prioritypatent/DE117466C/de
Application filed by G A BeckerfiledCriticalG A Becker
Application grantedgrantedCritical
Publication of AT6077BpublicationCriticalpatent/AT6077B/de