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.)
John Albert Herd and Frederick Fitchett Jack Holmes Walker
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
Filing date
Publication date
Application filed by British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Application grantedgrantedCritical
Publication of AU232986B2publicationCriticalpatent/AU232986B2/en
Publication of AU5176459ApublicationCriticalpatent/AU5176459A/en