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 J W GjersoefiledCriticalJ W Gjersoe
Priority to DK94677ApriorityCriticalpatent/DK94677A/en
Publication of DK94677ApublicationCriticalpatent/DK94677A/en