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 GB878716849Aexternal-prioritypatent/GB8716849D0/en
Application filed by Ivor CattfiledCriticalIvor Catt
Priority claimed from EP88905982Aexternal-prioritypatent/EP0366702B1/en
Application grantedgrantedCritical
Publication of ATE100612T1publicationCriticalpatent/ATE100612T1/en