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 Graf Botho SchwerinfiledCriticalGraf Botho Schwerin
Priority to AT7612DpriorityCriticalpatent/AT7612B/de
Application grantedgrantedCritical
Publication of AT7612BpublicationCriticalpatent/AT7612B/de