CA394870A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA394870A
CA394870A CA394870A CA394870DA CA394870A CA 394870 A CA394870 A CA 394870A CA 394870 A CA394870 A CA 394870A CA 394870D A CA394870D A CA 394870DA CA 394870 A CA394870 A CA 394870A
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
CA394870A
Other languages
French (fr)
Inventor
John Busch Aloysius
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 CA394870A publication Critical patent/CA394870A/en
Expired legal-status Critical Current

Links

CA394870A Telephone system Expired CA394870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA394870T

Publications (1)

Publication Number Publication Date
CA394870A true CA394870A (en) 1941-02-25

Family

ID=35402331

Family Applications (1)

Application Number Title Priority Date Filing Date
CA394870A Expired CA394870A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA394870A (en)

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