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 Colin NatesfiledCriticalColin Nates
Priority to ZA832879ApriorityCriticalpatent/ZA832879B/en
Publication of ZA832879BpublicationCriticalpatent/ZA832879B/en