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
CA645448A
Inventor
T. Coady-Farley James
W. H. Hampshire David
S. Walker George
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
Publication date
Application grantedgrantedCritical
Publication of CA645448ApublicationCriticalpatent/CA645448A/en