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 Brian James Baxter, David Owen SwansonfiledCriticalBrian James Baxter
Priority to ZA989792ApriorityCriticalpatent/ZA989792B/en
Publication of ZA989792BpublicationCriticalpatent/ZA989792B/en