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 UllmanfiledCriticalJohan Ullman
Priority to SE9201521ApriorityCriticalpatent/SE9201521D0/en
Publication of SE9201521D0publicationCriticalpatent/SE9201521D0/en