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 T WilcoxfiledCriticalT Wilcox
Priority to ZA00781143ApriorityCriticalpatent/ZA781143B/en
Publication of ZA781143BpublicationCriticalpatent/ZA781143B/en