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 John Matulovich Michael, Sidney Taylor AnthonyfiledCriticalJohn Matulovich Michael
Priority to ZA915355ApriorityCriticalpatent/ZA915355B/en
Publication of ZA915355BpublicationCriticalpatent/ZA915355B/en