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 Roy Allan SturgeonfiledCriticalRoy Allan Sturgeon
Priority to ZA9607844ApriorityCriticalpatent/ZA967844B/en
Publication of ZA967844BpublicationCriticalpatent/ZA967844B/en