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
CA597354A
Inventor
E. Lawrence Thomas
C. Kelner Robert
W. Gardiner Charles
J. Dean Neal
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.)
LABORATORY FOR ELECTRONICS
International Computers and Tabulators Ltd
Original Assignee
LABORATORY FOR ELECTRONICS
International Computers and Tabulators Ltd
Publication date
Application grantedgrantedCritical
Publication of CA597354ApublicationCriticalpatent/CA597354A/en