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 Ernst Richard FritzboegerfiledCriticalErnst Richard Fritzboeger
Priority to DK117646ApriorityCriticalpatent/DK67256C/da
Application grantedgrantedCritical
Publication of DK67256CpublicationCriticalpatent/DK67256C/da