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 Einar KeidingfiledCriticalEinar Keiding
Priority to DK187554ApriorityCriticalpatent/DK83271C/da
Application grantedgrantedCritical
Publication of DK83271CpublicationCriticalpatent/DK83271C/da