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
CA702809A
Inventor
H. Marantz Israel
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.)
Columbia Cable and Electric Corp
Original Assignee
Columbia Cable and Electric Corp
Publication date
Application grantedgrantedCritical
Publication of CA702809ApublicationCriticalpatent/CA702809A/en