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 Pieter Martin HendersonfiledCriticalPieter Martin Henderson
Priority to ZA9610450ApriorityCriticalpatent/ZA9610450B/en
Publication of ZA9610450BpublicationCriticalpatent/ZA9610450B/en