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.)
Expired
Application number
CA770948A
Inventor
W. Millington Brian
M. Scott William
G. Freese Royston
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.)
Ricardo PLC
Original Assignee
Ricardo and Co Engineers 1927 Ltd
Publication date
Application grantedgrantedCritical
Publication of CA770948ApublicationCriticalpatent/CA770948A/en