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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US419170Aexternal-prioritypatent/US3929006A/en
Application filed by Western Electric Co IncfiledCriticalWestern Electric Co Inc
Application grantedgrantedCritical
Publication of AU487744B2publicationCriticalpatent/AU487744B2/en
Publication of AU7553674ApublicationCriticalpatent/AU7553674A/en