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 Lars RingdalfiledCriticalLars Ringdal
Priority to NO800389ApriorityCriticalpatent/NO145907C/no
Publication of NO800389LpublicationCriticalpatent/NO800389L/no
Publication of NO145907BpublicationCriticalpatent/NO145907B/no
Publication of NO145907CpublicationCriticalpatent/NO145907C/no