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.)
PETER JOHN WINTER and ROBERT JOHN FULLER JOHN LAWRENCE POWELL
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 GB4299170Aexternal-prioritypatent/GB1356566A/en
Application filed by Coal Industry Patents LtdfiledCriticalCoal Industry Patents Ltd
Application grantedgrantedCritical
Publication of AU455451B2publicationCriticalpatent/AU455451B2/en
Publication of AU3239171ApublicationCriticalpatent/AU3239171A/en