Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by J M PillidgefiledCriticalJ M Pillidge
Priority to NZ19295480ApriorityCriticalpatent/NZ192954A/en
Publication of NZ192954ApublicationCriticalpatent/NZ192954A/en