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
CA822814A
Inventor
M Parkyn John
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
John M Parkyn
Canadian Marconi Co
Publication date
Application grantedgrantedCritical
Publication of CA822814ApublicationCriticalpatent/CA822814A/en