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 Invention Factory ProprietaryfiledCriticalInvention Factory Proprietary
Priority to ZA889713ApriorityCriticalpatent/ZA889713B/en
Publication of ZA889713BpublicationCriticalpatent/ZA889713B/en