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 Standard Telephones Cables Ltd, Donald D Greig, Herbert F EngelmannfiledCriticalStandard Telephones Cables Ltd
Priority to IE19652ApriorityCriticalpatent/IE21336L/en
Publication of IE21336LpublicationCriticalpatent/IE21336L/en