CA415057A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA415057A
CA415057A CA415057A CA415057DA CA415057A CA 415057 A CA415057 A CA 415057A CA 415057 A CA415057 A CA 415057A CA 415057D A CA415057D A CA 415057DA CA 415057 A CA415057 A CA 415057A
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
CA415057A
Other languages
French (fr)
Inventor
Paul Mahoney Harry
Ernest Lomax Clarence
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 CA415057A publication Critical patent/CA415057A/en
Expired legal-status Critical Current

Links

CA415057A Telephone system Expired CA415057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA415057T

Publications (1)

Publication Number Publication Date
CA415057A true CA415057A (en) 1943-09-07

Family

ID=35524256

Family Applications (1)

Application Number Title Priority Date Filing Date
CA415057A Expired CA415057A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA415057A (en)

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