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 Erik Helstroem, Steinar MikkelsenfiledCriticalErik Helstroem
Priority to NO900599ApriorityCriticalpatent/NO170004C/no
Publication of NO900599D0publicationCriticalpatent/NO900599D0/no
Publication of NO900599LpublicationCriticalpatent/NO900599L/no
Publication of NO170004BpublicationCriticalpatent/NO170004B/no
Publication of NO170004CpublicationCriticalpatent/NO170004C/no