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 Grahame John PinnellfiledCriticalGrahame John Pinnell
Priority to ZW19492ApriorityCriticalpatent/ZW19492A1/en
Publication of ZW19492A1publicationCriticalpatent/ZW19492A1/en