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 Ferro CorpfiledCriticalFerro Corp
Priority to FI182959ApriorityCriticalpatent/FI40294B/fi
Application grantedgrantedCritical
Publication of FI40294BpublicationCriticalpatent/FI40294B/fi