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 Leonard Miller Gary, Malcolm Van Vreden GaryfiledCriticalLeonard Miller Gary
Priority to ZA91175ApriorityCriticalpatent/ZA91175B/en
Publication of ZA91175BpublicationCriticalpatent/ZA91175B/en