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 DE1901137130Dexternal-prioritypatent/DE137130C/de
Application filed by Leopold GersonfiledCriticalLeopold Gerson
Application grantedgrantedCritical
Publication of AT14137BpublicationCriticalpatent/AT14137B/de