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.)
GEORGE VERNON GRAY
Original Assignee
GEORGE VERNON GRAY
Filing date
Publication date
Application filed by GEORGE VERNON GRAYfiledCriticalGEORGE VERNON GRAY
Application grantedgrantedCritical
Publication of AU165407B2publicationCriticalpatent/AU165407B2/en
Publication of AU1787653ApublicationCriticalpatent/AU1787653A/en