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
AU17146/47A
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.)
Robert Edwin Williams
Original Assignee
Robert Edwin Williams
Filing date
Publication of AU136975B2publicationCriticalpatent/AU136975B2/en
Application filed by Robert Edwin WilliamsfiledCriticalRobert Edwin Williams