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 DE1899114644Dexternal-prioritypatent/DE114644C/de
Application filed by Wilhelm Herbst, Ludwig Heinrich ThielmannfiledCriticalWilhelm Herbst
Application grantedgrantedCritical
Publication of AT5229BpublicationCriticalpatent/AT5229B/de