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 Franz SchwarzfiledCriticalFranz Schwarz
Priority to AT63167ApriorityCriticalpatent/AT279500B/de
Application grantedgrantedCritical
Publication of AT279500BpublicationCriticalpatent/AT279500B/de