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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Henry Arthur Spencer
Original Assignee
Henry Arthur Spencer
Filing date
Publication date
Application filed by Henry Arthur SpencerfiledCriticalHenry Arthur Spencer
Application grantedgrantedCritical
Publication of AU2255453ApublicationCriticalpatent/AU2255453A/en
Publication of AU166045B2publicationCriticalpatent/AU166045B2/en