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 Leslie John CassfiledCriticalLeslie John Cass
Priority to ZA9906650ApriorityCriticalpatent/ZA996650B/en
Publication of ZA996650BpublicationCriticalpatent/ZA996650B/en