CA693512A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA693512A
CA693512A CA693512A CA693512DA CA693512A CA 693512 A CA693512 A CA 693512A CA 693512 A CA693512 A CA 693512A CA 693512D A CA693512D A CA 693512DA CA 693512 A CA693512 A CA 693512A
Authority
CA
Canada
Prior art keywords
telephone system
telephone
Prior art date
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.)
Expired
Application number
CA693512A
Inventor
C. Avery Robert
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
Publication date
Application granted granted Critical
Publication of CA693512A publication Critical patent/CA693512A/en
Expired legal-status Critical Current

Links

CA693512A Telephone system Expired CA693512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA693512T

Publications (1)

Publication Number Publication Date
CA693512A true CA693512A (en) 1964-09-01

Family

ID=36003762

Family Applications (1)

Application Number Title Priority Date Filing Date
CA693512A Expired CA693512A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA693512A (en)

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