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.)
BERNARD WELDON; WILLIAM MURDOCH ADAMSON and JACK RUGBY GROSE GEORGE
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.)
UNIDRILLING Ltd
Original Assignee
UNIDRILLING Ltd
Filing date
Publication date
Application filed by UNIDRILLING LtdfiledCriticalUNIDRILLING Ltd
Application grantedgrantedCritical
Publication of AU254792B2publicationCriticalpatent/AU254792B2/en
Publication of AU694861ApublicationCriticalpatent/AU694861A/en