CA257079A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA257079A
CA257079A CA257079A CA257079DA CA257079A CA 257079 A CA257079 A CA 257079A CA 257079 A CA257079 A CA 257079A CA 257079D A CA257079D A CA 257079DA CA 257079 A CA257079 A CA 257079A
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
CA257079A
Other languages
French (fr)
Inventor
B. Williams Samuel
E. Hinrichsen Edward
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.)
INTERNATIONAL WESTERN ELECTRIC Co Inc
AT&T Corp
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co Inc
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA257079A publication Critical patent/CA257079A/en
Expired legal-status Critical Current

Links

CA257079A Telephone system Expired CA257079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA257079T

Publications (1)

Publication Number Publication Date
CA257079A true CA257079A (en) 1926-01-05

Family

ID=35165627

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257079A Expired CA257079A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA257079A (en)

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