CA415056A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA415056A
CA415056A CA415056A CA415056DA CA415056A CA 415056 A CA415056 A CA 415056A CA 415056 A CA415056 A CA 415056A CA 415056D A CA415056D A CA 415056DA CA 415056 A CA415056 A CA 415056A
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
CA415056A
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 CA415056A publication Critical patent/CA415056A/en
Expired legal-status Critical Current

Links

CA415056A Telephone system Expired CA415056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA415056T

Publications (1)

Publication Number Publication Date
CA415056A true CA415056A (en) 1943-09-07

Family

ID=35524255

Family Applications (1)

Application Number Title Priority Date Filing Date
CA415056A Expired CA415056A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA415056A (en)

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