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 Walker PeterfiledCriticalWalker Peter
Priority to AT179485ApriorityCriticalpatent/ATA179485A/de
Publication of ATA179485ApublicationCriticalpatent/ATA179485A/de