CA236643A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA236643A
CA236643A CA236643A CA236643DA CA236643A CA 236643 A CA236643 A CA 236643A CA 236643 A CA236643 A CA 236643A CA 236643D A CA236643D A CA 236643DA CA 236643 A CA236643 A CA 236643A
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
CA236643A
Other languages
French (fr)
Inventor
G. Martin Talbot
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA236643A publication Critical patent/CA236643A/en
Expired legal-status Critical Current

Links

CA236643A Telephone system Expired CA236643A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236643T

Publications (1)

Publication Number Publication Date
CA236643A true CA236643A (en) 1923-12-25

Family

ID=35134017

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236643A Expired CA236643A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA236643A (en)

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