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 GB8104175Aexternal-prioritypatent/GB2094008B/en
Priority claimed from GB8137250Aexternal-prioritypatent/GB2093620B/en
Application filed by Mars IncfiledCriticalMars Inc
Application grantedgrantedCritical
Publication of ATE76210T1publicationCriticalpatent/ATE76210T1/de