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 Evald Christian JohansenfiledCriticalEvald Christian Johansen
Priority to DK28949ApriorityCriticalpatent/DK72147C/da
Application grantedgrantedCritical
Publication of DK72147CpublicationCriticalpatent/DK72147C/da