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 William Happen
Original Assignee
John William Happen
Filing date
Publication date
Application filed by John William HappenfiledCriticalJohn William Happen
Application grantedgrantedCritical
Publication of AU254961ApublicationCriticalpatent/AU254961A/en
Publication of AU257074B2publicationCriticalpatent/AU257074B2/en