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 Poul HaahrfiledCriticalPoul Haahr
Priority to DK48546ApriorityCriticalpatent/DK72557C/da
Application grantedgrantedCritical
Publication of DK72557CpublicationCriticalpatent/DK72557C/da