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 Frick CofiledCriticalFrick Co
Priority to DK439876ApriorityCriticalpatent/DK140605B/da
Publication of DK439876ApublicationCriticalpatent/DK439876A/da
Publication of DK140605BpublicationCriticalpatent/DK140605B/da
Application grantedgrantedCritical
Publication of DK140605CpublicationCriticalpatent/DK140605C/da