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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Eric Archibald Willis
Original Assignee
Eric Archibald Willis
Filing date
Publication date
Application filed by Eric Archibald WillisfiledCriticalEric Archibald Willis
Application grantedgrantedCritical
Publication of AU249402B2publicationCriticalpatent/AU249402B2/en
Publication of AU986361ApublicationCriticalpatent/AU986361A/en