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 Johannes Joergen FrederiksenfiledCriticalJohannes Joergen Frederiksen
Priority to DK56557ApriorityCriticalpatent/DK92809C/da
Application grantedgrantedCritical
Publication of DK92809CpublicationCriticalpatent/DK92809C/da