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 Anthony Hinton Mcdonal VincentfiledCriticalAnthony Hinton Mcdonal Vincent
Priority to ZA902246ApriorityCriticalpatent/ZA902246B/en
Publication of ZA902246BpublicationCriticalpatent/ZA902246B/en