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.)
Walter Shields
Original Assignee
Walter Shields
Filing date
Publication date
Application filed by Walter ShieldsfiledCriticalWalter Shields
Application grantedgrantedCritical
Publication of AU157225B2publicationCriticalpatent/AU157225B2/en
Publication of AU1569653ApublicationCriticalpatent/AU1569653A/en