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 Frank ChristiansenfiledCriticalFrank Christiansen
Priority to NO299972ApriorityCriticalpatent/NO131524C/no
Publication of NO131524BpublicationCriticalpatent/NO131524B/no
Publication of NO131524CpublicationCriticalpatent/NO131524C/no