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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Oscar Walter Harden
Original Assignee
Oscar Walter Harden
Filing date
Publication date
Application filed by Oscar Walter HardenfiledCriticalOscar Walter Harden
Application grantedgrantedCritical
Publication of AU176338ApublicationCriticalpatent/AU176338A/en
Publication of AU106932B2publicationCriticalpatent/AU106932B2/en