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.)
ALFRED THOMAS HILL
Original Assignee
ALFRED THOMAS HILL
Filing date
Publication date
Application filed by ALFRED THOMAS HILLfiledCriticalALFRED THOMAS HILL
Application grantedgrantedCritical
Publication of AU152446B2publicationCriticalpatent/AU152446B2/en
Publication of AU737652ApublicationCriticalpatent/AU737652A/en