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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Walter Treeby
Original Assignee
Walter Treeby
Filing date
Publication date
Application filed by Walter TreebyfiledCriticalWalter Treeby
Application grantedgrantedCritical
Publication of AU143667B2publicationCriticalpatent/AU143667B2/en
Publication of AU1920148ApublicationCriticalpatent/AU1920148A/en