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.)
Charles Swepson
Original Assignee
Charles Swepson
Publication date
Application grantedgrantedCritical
Publication of AU143396B2publicationCriticalpatent/AU143396B2/en
Publication of AU2527849ApublicationCriticalpatent/AU2527849A/en