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 Michael John BywaterfiledCriticalMichael John Bywater
Priority to ZA955703ApriorityCriticalpatent/ZA955703B/en
Publication of ZA955703BpublicationCriticalpatent/ZA955703B/en