CA411343A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA411343A
CA411343A CA411343A CA411343DA CA411343A CA 411343 A CA411343 A CA 411343A CA 411343 A CA411343 A CA 411343A CA 411343D A CA411343D A CA 411343DA CA 411343 A CA411343 A CA 411343A
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
CA411343A
Other languages
French (fr)
Inventor
Cushing Hall Oliver
Clifton John Baumfalk
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 CA411343A publication Critical patent/CA411343A/en
Expired legal-status Critical Current

Links

CA411343A Telephone system Expired CA411343A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA411343T

Publications (1)

Publication Number Publication Date
CA411343A true CA411343A (en) 1943-03-23

Family

ID=35422645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA411343A Expired CA411343A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA411343A (en)

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