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
Priority claimed from GB8800219Aexternal-prioritypatent/GB2214240A/en
Application filed by Laurence Patrick WetternfiledCriticalLaurence Patrick Wettern
Application grantedgrantedCritical
Publication of ATE94087T1publicationCriticalpatent/ATE94087T1/en