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 Arnt John AasfiledCriticalArnt John Aas
Priority to NO773403ApriorityCriticalpatent/NO143190C/en
Publication of NO773403LpublicationCriticalpatent/NO773403L/en
Publication of NO143190BpublicationCriticalpatent/NO143190B/en
Publication of NO143190CpublicationCriticalpatent/NO143190C/en