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 471199 Ontario Limited D B A DfiledCritical471199 Ontario Limited D B A D
Priority to FI844404ApriorityCriticalpatent/FI75885C/fi
Publication of FI844404A0publicationCriticalpatent/FI844404A0/fi
Publication of FI844404LpublicationCriticalpatent/FI844404L/fi
Application grantedgrantedCritical
Publication of FI75885BpublicationCriticalpatent/FI75885B/fi
Publication of FI75885CpublicationCriticalpatent/FI75885C/fi