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.)
KENNETH WILLIAM IVINS and EDWARD THOMAS WHITTON ALFRED DERBYSHIRE
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.)
Wellman Incandescent Furnace Co Ltd
Original Assignee
Wellman Incandescent Furnace Co Ltd
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
Priority claimed from GB1585972Aexternal-prioritypatent/GB1390238A/en
Application filed by Wellman Incandescent Furnace Co LtdfiledCriticalWellman Incandescent Furnace Co Ltd
Application grantedgrantedCritical
Publication of AU473317B2publicationCriticalpatent/AU473317B2/en
Publication of AU5367873ApublicationCriticalpatent/AU5367873A/en