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 Robert Goldschmidt, Jan HasekfiledCriticalRobert Goldschmidt
Priority to AT35059DpriorityCriticalpatent/AT35059B/de
Application grantedgrantedCritical
Publication of AT35059BpublicationCriticalpatent/AT35059B/de