Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cleverly C E
Gibbs J F
Original Assignee
Cleverly C E
Gibbs J F
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
Application filed by Cleverly C E, Gibbs J FfiledCriticalCleverly C E
Publication of GB8822751D0publicationCriticalpatent/GB8822751D0/en
Priority to GB8920388ApriorityCriticalpatent/GB2229692A/en
Priority to PCT/GB1989/001063prioritypatent/WO1990002700A1/en
Priority to AU42056/89Aprioritypatent/AU4205689A/en