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 Walter Aldridge
Original Assignee
Charles Walter Aldridge
Filing date
Publication date
Application filed by Charles Walter AldridgefiledCriticalCharles Walter Aldridge
Application grantedgrantedCritical
Publication of AU470938ApublicationCriticalpatent/AU470938A/en
Publication of AU108114B2publicationCriticalpatent/AU108114B2/en