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 Carl Roland HellanderfiledCriticalCarl Roland Hellander
Priority to SE8403257ApriorityCriticalpatent/SE8403257D0/en
Publication of SE8403257D0publicationCriticalpatent/SE8403257D0/en