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
Priority claimed from DK279282Aexternal-prioritypatent/DK279282A/da
Application filed by Erik Dam, Erik GroenningfiledCriticalErik Dam
Priority to DK073284ApriorityCriticalpatent/DK153659B/da
Publication of DK73284D0publicationCriticalpatent/DK73284D0/da
Publication of DK73284ApublicationCriticalpatent/DK73284A/da
Publication of DK153659BpublicationCriticalpatent/DK153659B/da