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.)
Expired
Application number
AU51020/69A
Inventor
CLIFFORD HOWARD and JOHN ARTHUR HOWARD ARTHUR
Filing date
Publication date
Application filedfiledCritical
Publication of AU5102069ApublicationCriticalpatent/AU5102069A/en