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
Filing date
Publication date
Priority claimed from US426648Aexternal-prioritypatent/US3916116A/en
Publication of AU7613474ApublicationCriticalpatent/AU7613474A/en
Application grantedgrantedCritical
Publication of AU494285B2publicationCriticalpatent/AU494285B2/en
Application filed by Western Electric Co IncfiledCriticalWestern Electric Co Inc