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 Johannes Wilhelmus BoonfiledCriticalJohannes Wilhelmus Boon
Priority to IE91962ApriorityCriticalpatent/IE26238L/en
Publication of IE26238LpublicationCriticalpatent/IE26238L/en