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.)
ELECTRICAL PROPERTIES Ltd
AT&T Corp
Original Assignee
ELECTRICAL PROPERTIES Ltd
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
Application filed by ELECTRICAL PROPERTIES Ltd, Western Electric Co IncfiledCriticalELECTRICAL PROPERTIES Ltd
Application grantedgrantedCritical
Publication of CA156519ApublicationCriticalpatent/CA156519A/fr