CA196447A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA196447A
CA196447A CA196447A CA196447DA CA196447A CA 196447 A CA196447 A CA 196447A CA 196447 A CA196447 A CA 196447A CA 196447D A CA196447D A CA 196447DA CA 196447 A CA196447 A CA 196447A
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
CA196447A
Other languages
French (fr)
Inventor
E. Lundell Alben
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 CA196447A publication Critical patent/CA196447A/en
Expired legal-status Critical Current

Links

CA196447A Telephone system Expired CA196447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA196447T

Publications (1)

Publication Number Publication Date
CA196447A true CA196447A (en) 1920-01-20

Family

ID=35065755

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196447A Expired CA196447A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA196447A (en)

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