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 Carl HoffmannfiledCriticalCarl Hoffmann
Priority to DK378249ApriorityCriticalpatent/DK80855C/da
Application grantedgrantedCritical
Publication of DK80855CpublicationCriticalpatent/DK80855C/da