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
CA685400A
Inventor
W. Chandler Thomas
Sergeant Geoffrey
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
General Electric Co PLC
Original Assignee
Ferranti PLC
General Electric Co PLC
Publication date
Application grantedgrantedCritical
Publication of CA685400ApublicationCriticalpatent/CA685400A/en