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 Dodgson John RfiledCriticalDodgson John R
Publication of IE790982LpublicationCriticalpatent/IE790982L/en
Publication of IE48238B1publicationCriticalpatent/IE48238B1/en