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 Wilhelm Johnsen AsfiledCriticalWilhelm Johnsen As
Priority to DK207744ApriorityCriticalpatent/DK66464C/en
Application grantedgrantedCritical
Publication of DK66464CpublicationCriticalpatent/DK66464C/en