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.)
Frederick William Grau
Original Assignee
Frederick William Grau
Filing date
Publication date
Application filed by Frederick William GraufiledCriticalFrederick William Grau
Application grantedgrantedCritical
Publication of AU212602B2publicationCriticalpatent/AU212602B2/en
Publication of AU1558456ApublicationCriticalpatent/AU1558456A/en