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 E KoppelmanfiledCriticalE Koppelman
Priority to DK285277ApriorityCriticalpatent/DK142330B/da
Publication of DK285277ApublicationCriticalpatent/DK285277A/da
Publication of DK142330BpublicationCriticalpatent/DK142330B/da
Application grantedgrantedCritical
Publication of DK142330CpublicationCriticalpatent/DK142330C/da