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 GB858505432Aexternal-prioritypatent/GB8505432D0/en
Application filed by Charles Oliver LeekamfiledCriticalCharles Oliver Leekam
Application grantedgrantedCritical
Publication of ATE51263T1publicationCriticalpatent/ATE51263T1/de