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 Thorvald Laurits Irgens-BerghfiledCriticalThorvald Laurits Irgens-Bergh
Priority to DK548962ApriorityCriticalpatent/DK101380C/da
Application grantedgrantedCritical
Publication of DK101380CpublicationCriticalpatent/DK101380C/da