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 Johan B ThuelandfiledCriticalJohan B Thueland
Priority to NO894958ApriorityCriticalpatent/NO894958D0/en
Publication of NO894958D0publicationCriticalpatent/NO894958D0/en