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 - Lifetime
Application number
AU4084/42A
Inventor
Hugh Evi. ee and Roy Robert Ritson Douglas Leonard
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.)
Parkinson & Cowan Gnas Metroka Ltd
Original Assignee
Parkinson & Cowan Gnas Metroka Ltd
Filing date
Publication of AU115607B2publicationCriticalpatent/AU115607B2/en