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.)
Norman Bird
Original Assignee
Norman Bird
Filing date
Publication date
Application filed by Norman BirdfiledCriticalNorman Bird
Application grantedgrantedCritical
Publication of AU137985B2publicationCriticalpatent/AU137985B2/en
Publication of AU1504447ApublicationCriticalpatent/AU1504447A/en