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
Henry Dreyfuss Associates LLC
Original Assignee
American Telephone and Telegraph Co Inc
Henry Dreyfuss Associates LLC
Publication date
Priority to CA 64107priorityCriticalpatent/CA64107S/en
Application grantedgrantedCritical
Publication of CA64107SpublicationCriticalpatent/CA64107S/en