CA383909A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA383909A
CA383909A CA383909A CA383909DA CA383909A CA 383909 A CA383909 A CA 383909A CA 383909 A CA383909 A CA 383909A CA 383909D A CA383909D A CA 383909DA CA 383909 A CA383909 A CA 383909A
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
CA383909A
Other languages
French (fr)
Inventor
George Sandalls, Jr.
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 CA383909A publication Critical patent/CA383909A/en
Expired legal-status Critical Current

Links

CA383909A Telephone system Expired CA383909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA383909T

Publications (1)

Publication Number Publication Date
CA383909A true CA383909A (en) 1939-09-05

Family

ID=35389139

Family Applications (1)

Application Number Title Priority Date Filing Date
CA383909A Expired CA383909A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA383909A (en)

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