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 DE1899118816Dexternal-prioritypatent/DE118816C/de
Application filed by Karl Puttkammer, Friedrich OrthmannfiledCriticalKarl Puttkammer
Application grantedgrantedCritical
Publication of AT7189BpublicationCriticalpatent/AT7189B/de