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.)
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John Roilo Visher
Original Assignee
John Roilo Visher
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Application filed by John Roilo VisherfiledCriticalJohn Roilo Visher
Application grantedgrantedCritical
Publication of AU154042B2publicationCriticalpatent/AU154042B2/en
Publication of AU825952ApublicationCriticalpatent/AU825952A/en