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.)
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.)
W R & D Wells Ltd Pty
Original Assignee
W R & D Wells Ltd Pty
Filing date
Publication date
Application filed by W R & D Wells Ltd PtyfiledCriticalW R & D Wells Ltd Pty
Application grantedgrantedCritical
Publication of AU682261ApublicationCriticalpatent/AU682261A/en
Publication of AU256983B2publicationCriticalpatent/AU256983B2/en