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.)
National Telephone Supply Co
Original Assignee
National Telephone Supply Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by National Telephone Supply CofiledCriticalNational Telephone Supply Co
Priority to CA185,676ApriorityCriticalpatent/CA1005869A/en
Application grantedgrantedCritical
Publication of CA1005869ApublicationCriticalpatent/CA1005869A/en