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 Maxwell Dales ChristopherfiledCriticalMaxwell Dales Christopher
Priority to ZA873723ApriorityCriticalpatent/ZA873723B/en
Publication of ZA873723BpublicationCriticalpatent/ZA873723B/en