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 Olav Trygve TheodorsenfiledCriticalOlav Trygve Theodorsen
Priority to DK492546ApriorityCriticalpatent/DK75258C/da
Application grantedgrantedCritical
Publication of DK75258CpublicationCriticalpatent/DK75258C/da