Legal status (The legal status 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 status listed.)
DAVID EDWARD LACKLISON GEORGE BLAIN SCOTT and JOHN SIEGFRIED PALFREYMAN RONALD FERGUSON PEARSON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 of AU491209B2publicationCriticalpatent/AU491209B2/en
Priority claimed from GB647774Aexternal-prioritypatent/GB1420887A/en
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of AU7819875ApublicationCriticalpatent/AU7819875A/en