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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Willaim Gordon Allen
Original Assignee
Willaim Gordon Allen
Filing date
Publication date
Application filed by Willaim Gordon AllenfiledCriticalWillaim Gordon Allen
Application grantedgrantedCritical
Publication of AU259806B2publicationCriticalpatent/AU259806B2/en
Publication of AU775661ApublicationCriticalpatent/AU775661A/en