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 Wilhelm WipplingerfiledCriticalWilhelm Wipplinger
Priority to AT167059ApriorityCriticalpatent/AT209208B/en
Application grantedgrantedCritical
Publication of AT209208BpublicationCriticalpatent/AT209208B/en