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 Elfred Johannes SmedegaardfiledCriticalElfred Johannes Smedegaard
Priority to DK31345ApriorityCriticalpatent/DK65610C/da
Application grantedgrantedCritical
Publication of DK65610CpublicationCriticalpatent/DK65610C/da