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 Henry Antero HulkkofiledCriticalHenry Antero Hulkko
Priority to FI990421UpriorityCriticalpatent/FI4795U1/fi
Publication of FIU990421U0publicationCriticalpatent/FIU990421U0/fi
Application grantedgrantedCritical
Publication of FI4795U1publicationCriticalpatent/FI4795U1/fi