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 Leo LarikkafiledCriticalLeo Larikka
Priority to FI813444ApriorityCriticalpatent/FI66680C/fi
Publication of FI813444LpublicationCriticalpatent/FI813444L/fi
Publication of FI66680BpublicationCriticalpatent/FI66680B/fi
Application grantedgrantedCritical
Publication of FI66680CpublicationCriticalpatent/FI66680C/fi