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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ERNEST SUMMERFIELD
Original Assignee
ERNEST SUMMERFIELD
Filing date
Publication date
Application filed by ERNEST SUMMERFIELDfiledCriticalERNEST SUMMERFIELD
Application grantedgrantedCritical
Publication of AU492246ApublicationCriticalpatent/AU492246A/en
Publication of AU133809B2publicationCriticalpatent/AU133809B2/en