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 J A FreudendahlfiledCriticalJ A Freudendahl
Priority to DK448876ApriorityCriticalpatent/DK139051B/da
Publication of DK448876ApublicationCriticalpatent/DK448876A/da
Publication of DK139051BpublicationCriticalpatent/DK139051B/da
Application grantedgrantedCritical
Publication of DK139051CpublicationCriticalpatent/DK139051C/da