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 GB888827140Aexternal-prioritypatent/GB8827140D0/en
Priority claimed from GB898901982Aexternal-prioritypatent/GB8901982D0/en
Application filed by Torotrak Dev LtdfiledCriticalTorotrak Dev Ltd
Priority claimed from PCT/GB1989/001374external-prioritypatent/WO1990005860A1/en
Application grantedgrantedCritical
Publication of ATE84602T1publicationCriticalpatent/ATE84602T1/de