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 Cumming Hamilton
Original Assignee
George Cumming Hamilton
Filing date
Publication date
Application filed by George Cumming HamiltonfiledCriticalGeorge Cumming Hamilton
Application grantedgrantedCritical
Publication of AU138619B2publicationCriticalpatent/AU138619B2/en
Publication of AU1630247ApublicationCriticalpatent/AU1630247A/en