CA416954A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA416954A
CA416954A CA416954A CA416954DA CA416954A CA 416954 A CA416954 A CA 416954A CA 416954 A CA416954 A CA 416954A CA 416954D A CA416954D A CA 416954DA CA 416954 A CA416954 A CA 416954A
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
CA416954A
Other languages
French (fr)
Inventor
Herrick Abbott Henry
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA416954A publication Critical patent/CA416954A/en
Expired legal-status Critical Current

Links

CA416954A Telephone system Expired CA416954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416954T

Publications (1)

Publication Number Publication Date
CA416954A true CA416954A (en) 1943-12-07

Family

ID=35526189

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416954A Expired CA416954A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA416954A (en)

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