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.)
CMC Electronics Inc
Original Assignee
Arthur L Oliver
Leslie H Dawson
Percy S Brandon
Canadian Marconi Co
Publication date
Application grantedgrantedCritical
Publication of CA537433ApublicationCriticalpatent/CA537433A/en